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16845113952 = 25321716072141
BaseRepresentation
bin11111011000000110…
…00000101001100000
31121110222001110012100
433230003000221200
5233444322121302
611423305130400
71134303051252
oct175403005140
947428043170
1016845113952
11716469a487
123321489a00
131785ba3564
14b5b2c1cd2
15688cced1c
hex3ec0c0a60

16845113952 has 144 divisors (see below), whose sum is σ = 50776401312. Its totient is φ = 5278986240.

The previous prime is 16845113941. The next prime is 16845113977. The reversal of 16845113952 is 25931154861.

It is a happy number.

16845113952 is a `hidden beast` number, since 1 + 6 + 84 + 511 + 3 + 9 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 16845113898 and 16845113907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7866802 + ... + 7868942.

It is an arithmetic number, because the mean of its divisors is an integer number (352613898).

Almost surely, 216845113952 is an apocalyptic number.

16845113952 is a gapful number since it is divisible by the number (12) 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 16845113952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25388200656).

16845113952 is an abundant number, since it is smaller than the sum of its proper divisors (33931287360).

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

16845113952 is a wasteful number, since it uses less digits than its factorization.

16845113952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3770 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 16845113952 in words is "sixteen billion, eight hundred forty-five million, one hundred thirteen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1607 1632 2141 2448 3214 4282 4821 4896 6423 6428 8564 9642 12846 12856 14463 17128 19269 19284 25692 25712 27319 28926 34256 36397 38538 38568 51384 51424 54638 57852 68512 72794 77076 77136 81957 102768 109191 109276 115704 145588 154152 154272 163914 205536 218382 218552 231408 245871 291176 308304 327573 327828 436764 437104 462816 491742 582352 616608 655146 655656 873528 874208 983484 1164704 1310292 1311312 1747056 1966968 2620584 2622624 3440587 3494112 3933936 5241168 6881174 7867872 10321761 10482336 13762348 20643522 27524696 30965283 41287044 55049392 58489979 61930566 82574088 110098784 116979958 123861132 165148176 175469937 233959916 247722264 330296352 350939874 467919832 495444528 526409811 701879748 935839664 990889056 1052819622 1403759496 1871679328 2105639244 2807518992 4211278488 5615037984 8422556976 16845113952