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12430545452 = 22131721794621
BaseRepresentation
bin10111001001110101…
…10001001000101100
31012002022021010200022
423210322301020230
5200424204423302
65413245421312
7620016615203
oct134472611054
935068233608
1012430545452
1152a979a866
1224aab6a838
13123140c450
1485cc9423a
154cb4698a2
hex2e4eb122c

12430545452 has 72 divisors (see below), whose sum is σ = 25030348560. Its totient is φ = 5368366080.

The previous prime is 12430545437. The next prime is 12430545481. The reversal of 12430545452 is 25454503421.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2687702 + ... + 2692322.

It is an arithmetic number, because the mean of its divisors is an integer number (347643730).

Almost surely, 212430545452 is an apocalyptic number.

It is an amenable number.

12430545452 is an abundant number, since it is smaller than the sum of its proper divisors (12599803108).

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

12430545452 is a wasteful number, since it uses less digits than its factorization.

12430545452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 12430545452 in words is "twelve billion, four hundred thirty million, five hundred forty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 13 17 26 34 52 68 179 221 289 358 442 578 716 884 1156 2327 3043 3757 4621 4654 6086 7514 9242 9308 12172 15028 18484 39559 51731 60073 78557 79118 103462 120146 157114 158236 206924 240292 314228 672503 827159 1021241 1335469 1345006 1654318 2042482 2670938 2690012 3308636 4084964 5341876 10753067 14061703 17361097 21506134 28123406 34722194 43012268 56246812 69444388 182802139 239048951 365604278 478097902 731208556 956195804 3107636363 6215272726 12430545452