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144892208640 = 2935181104233
BaseRepresentation
bin1000011011110000111…
…1111010011000000000
3111211222210020211100210
42012330033322120000
54333214401134030
6150321302514120
713316364311154
oct2067417723000
9454883224323
10144892208640
11564a2968983
12240b8135940
13108812ac8ca
147027271064
153b80484bb0
hex21bc3fa600

144892208640 has 160 divisors (see below), whose sum is σ = 465765876576. Its totient is φ = 38424084480.

The previous prime is 144892208611. The next prime is 144892208677. The reversal of 144892208640 is 46802298441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-3 number, since 3×1448922086403 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 144892208640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337964 + ... + 1442196.

Almost surely, 2144892208640 is an apocalyptic number.

144892208640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144892208640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232882938288).

144892208640 is an abundant number, since it is smaller than the sum of its proper divisors (320873667936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144892208640 is a wasteful number, since it uses less digits than its factorization.

144892208640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104440 (or 104424 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 144892208640 in words is "one hundred forty-four billion, eight hundred ninety-two million, two hundred eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 181 192 240 256 320 362 384 480 512 543 640 724 768 905 960 1086 1280 1448 1536 1810 1920 2172 2560 2715 2896 3620 3840 4344 5430 5792 7240 7680 8688 10860 11584 14480 17376 21720 23168 28960 34752 43440 46336 57920 69504 86880 92672 104233 115840 139008 173760 208466 231680 278016 312699 347520 416932 463360 521165 625398 695040 833864 1042330 1250796 1390080 1563495 1667728 2084660 2501592 3126990 3335456 4169320 5003184 6253980 6670912 8338640 10006368 12507960 13341824 16677280 18866173 20012736 25015920 26683648 33354560 37732346 40025472 50031840 53367296 56598519 66709120 75464692 80050944 94330865 100063680 113197038 133418240 150929384 160101888 188661730 200127360 226394076 266836480 282992595 301858768 377323460 400254720 452788152 565985190 603717536 754646920 800509440 905576304 1131970380 1207435072 1509293840 1811152608 2263940760 2414870144 3018587680 3622305216 4527881520 4829740288 6037175360 7244610432 9055763040 9659480576 12074350720 14489220864 18111526080 24148701440 28978441728 36223052160 48297402880 72446104320 144892208640