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157663254012 = 2231110311596297
BaseRepresentation
bin1001001011010101110…
…1100101010111111100
3120001221211020011010020
42102311131211113330
510040343243112022
6200232434412140
714251020355455
oct2226535452774
9501854204106
10157663254012
1160956884330
1226681131050
1311b380ca0a4
1478b943c12c
15417b75d35c
hex24b57655fc

157663254012 has 48 divisors (see below), whose sum is σ = 405221037312. Its totient is φ = 47312887680.

The previous prime is 157663254011. The next prime is 157663254031. The reversal of 157663254012 is 210452366751.

It is a super-2 number, since 2×1576632540122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157663254011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5784553 + ... + 5811744.

It is an arithmetic number, because the mean of its divisors is an integer number (8442104944).

Almost surely, 2157663254012 is an apocalyptic number.

157663254012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157663254012 is an abundant number, since it is smaller than the sum of its proper divisors (247557783300).

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

157663254012 is a wasteful number, since it uses less digits than its factorization.

157663254012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596418 (or 11596416 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 157663254012 in words is "one hundred fifty-seven billion, six hundred sixty-three million, two hundred fifty-four thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 103 132 206 309 412 618 1133 1236 2266 3399 4532 6798 13596 11596297 23192594 34788891 46385188 69577782 127559267 139155564 255118534 382677801 510237068 765355602 1194418591 1530711204 2388837182 3583255773 4777674364 7166511546 13138604501 14333023092 26277209002 39415813503 52554418004 78831627006 157663254012