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102457107156 = 22319449373277
BaseRepresentation
bin101111101101011101…
…0110110001011010100
3100210110102010022121110
41133122322312023110
53134313004412111
6115022415215020
710254661020135
oct1373272661324
9323412108543
10102457107156
113a4a7403078
1217a34817470
13987a8a16c1
144d5d507c8c
1529e9ce15a6
hex17daeb62d4

102457107156 has 24 divisors (see below), whose sum is σ = 251649035680. Its totient is φ = 32354875872.

The previous prime is 102457107133. The next prime is 102457107161. The reversal of 102457107156 is 651701754201.

It is a congruent number.

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, 224686411 + ... + 224686866.

Almost surely, 2102457107156 is an apocalyptic number.

It is an amenable number.

102457107156 is an abundant number, since it is smaller than the sum of its proper divisors (149191928524).

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

102457107156 is a wasteful number, since it uses less digits than its factorization.

102457107156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449373303 (or 449373301 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 102457107156 in words is "one hundred two billion, four hundred fifty-seven million, one hundred seven thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 449373277 898746554 1348119831 1797493108 2696239662 5392479324 8538092263 17076184526 25614276789 34152369052 51228553578 102457107156