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140177428640 = 2551531957191
BaseRepresentation
bin1000001010001100111…
…0011101000010100000
3111101211012120012002022
42002203032131002200
54244040410204030
6144221400441012
713061504324654
oct2024316350240
9441735505068
10140177428640
11544a355a987
1223201179168
13102ac575662
146adb016a64
1539a65bcde5
hex20a339d0a0

140177428640 has 48 divisors (see below), whose sum is σ = 331196584320. Its totient is φ = 56066330880.

The previous prime is 140177428603. The next prime is 140177428663. The reversal of 140177428640 is 46824771041.

It is a super-4 number, since 4×1401774286404 (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a junction number, because it is equal to n+sod(n) for n = 140177428591 and 140177428600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422445 + ... + 2479635.

It is an arithmetic number, because the mean of its divisors is an integer number (6899928840).

Almost surely, 2140177428640 is an apocalyptic number.

140177428640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140177428640 is an abundant number, since it is smaller than the sum of its proper divisors (191019155680).

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

140177428640 is a wasteful number, since it uses less digits than its factorization.

140177428640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72525 (or 72517 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 140177428640 in words is "one hundred forty billion, one hundred seventy-seven million, four hundred twenty-eight thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 15319 30638 57191 61276 76595 114382 122552 153190 228764 245104 285955 306380 457528 490208 571910 612760 915056 1143820 1225520 1830112 2287640 2451040 4575280 9150560 876108929 1752217858 3504435716 4380544645 7008871432 8761089290 14017742864 17522178580 28035485728 35044357160 70088714320 140177428640