Base | Representation |
---|---|
bin | 101111101100111010… |
… | …1100000100110110000 |
3 | 100210102010220212102110 |
4 | 1133121311200212300 |
5 | 3134243331241424 |
6 | 115020525445320 |
7 | 10254350355054 |
oct | 1373165404660 |
9 | 323363825373 |
10 | 102438930864 |
11 | 3a498118a46 |
12 | 17a2a710840 |
13 | 9876ba93ba |
14 | 4d5ad35c64 |
15 | 29e8400c29 |
hex | 17d9d609b0 |
102438930864 has 80 divisors (see below), whose sum is σ = 266391949824. Its totient is φ = 33919891200.
The previous prime is 102438930817. The next prime is 102438930907. The reversal of 102438930864 is 468039834201.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8429977 + ... + 8442119.
Almost surely, 2102438930864 is an apocalyptic number.
It is an amenable number.
102438930864 is an abundant number, since it is smaller than the sum of its proper divisors (163953018960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102438930864 is a wasteful number, since it uses less digits than its factorization.
102438930864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13306 (or 13300 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 48.
The spelling of 102438930864 in words is "one hundred two billion, four hundred thirty-eight million, nine hundred thirty thousand, eight hundred sixty-four".
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