Base | Representation |
---|---|
bin | 101111101000000100… |
… | …0110111001011101011 |
3 | 100202222210202220102110 |
4 | 1133100020313023223 |
5 | 3133430203410130 |
6 | 114552434333403 |
7 | 10250333425104 |
oct | 1372010671353 |
9 | 322883686373 |
10 | 102276231915 |
11 | 3a4142a2900 |
12 | 179a412a263 |
13 | 984c282330 |
14 | 4d434a33ab |
15 | 29d8eb3ab0 |
hex | 17d02372eb |
102276231915 has 48 divisors (see below), whose sum is σ = 193707196704. Its totient is φ = 45773967360.
The previous prime is 102276231857. The next prime is 102276231923. The reversal of 102276231915 is 519132672201.
It is not a de Polignac number, because 102276231915 - 216 = 102276166379 is a prime.
It is a super-2 number, since 2×1022762319152 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2143734 + ... + 2190923.
It is an arithmetic number, because the mean of its divisors is an integer number (4035566598).
Almost surely, 2102276231915 is an apocalyptic number.
102276231915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102276231915 is a deficient number, since it is larger than the sum of its proper divisors (91430964789).
102276231915 is a wasteful number, since it uses less digits than its factorization.
102276231915 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4334700 (or 4334689 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 39.
The spelling of 102276231915 in words is "one hundred two billion, two hundred seventy-six million, two hundred thirty-one thousand, nine hundred fifteen".
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