Base | Representation |
---|---|
bin | 101111101101011101… |
… | …0110110001011010100 |
3 | 100210110102010022121110 |
4 | 1133122322312023110 |
5 | 3134313004412111 |
6 | 115022415215020 |
7 | 10254661020135 |
oct | 1373272661324 |
9 | 323412108543 |
10 | 102457107156 |
11 | 3a4a7403078 |
12 | 17a34817470 |
13 | 987a8a16c1 |
14 | 4d5d507c8c |
15 | 29e9ce15a6 |
hex | 17daeb62d4 |
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".
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