Base | Representation |
---|---|
bin | 11000010101000110… |
… | …10000001000111011 |
3 | 1020201022022001010212 |
4 | 30022203100020323 |
5 | 203222322241240 |
6 | 10000042101335 |
7 | 641454306260 |
oct | 141243201073 |
9 | 36638261125 |
10 | 13061915195 |
11 | 55a312423a |
12 | 26464aa84b |
13 | 130216c604 |
14 | 8bca85267 |
15 | 516ad2165 |
hex | 30a8d023b |
13061915195 has 32 divisors (see below), whose sum is σ = 18430046208. Its totient is φ = 8699315328.
The previous prime is 13061915189. The next prime is 13061915197. The reversal of 13061915195 is 59151916031.
It is a cyclic number.
It is not a de Polignac number, because 13061915195 - 228 = 12793479739 is a prime.
It is a super-2 number, since 2×130619151952 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13061915197) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751574 + ... + 768756.
It is an arithmetic number, because the mean of its divisors is an integer number (575938944).
Almost surely, 213061915195 is an apocalyptic number.
13061915195 is a deficient number, since it is larger than the sum of its proper divisors (5368131013).
13061915195 is a wasteful number, since it uses less digits than its factorization.
13061915195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17819.
The product of its (nonzero) digits is 36450, while the sum is 41.
The spelling of 13061915195 in words is "thirteen billion, sixty-one million, nine hundred fifteen thousand, one hundred ninety-five".
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