Base | Representation |
---|---|
bin | 1000100111111110… |
… | …0110101100111111 |
3 | 12222100100220202110 |
4 | 2021333212230333 |
5 | 14220134332231 |
6 | 1021421425103 |
7 | 111241316562 |
oct | 21177465477 |
9 | 5870326673 |
10 | 2315152191 |
11 | a88930120 |
12 | 54740b193 |
13 | 2ab84bb51 |
14 | 17d6944d9 |
15 | d83b6046 |
hex | 89fe6b3f |
2315152191 has 32 divisors (see below), whose sum is σ = 3569184000. Its totient is φ = 1319252480.
The previous prime is 2315152183. The next prime is 2315152219. The reversal of 2315152191 is 1912515132.
It is a cyclic number.
It is not a de Polignac number, because 2315152191 - 23 = 2315152183 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2315152141) 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, 906985 + ... + 909533.
It is an arithmetic number, because the mean of its divisors is an integer number (111537000).
Almost surely, 22315152191 is an apocalyptic number.
2315152191 is a deficient number, since it is larger than the sum of its proper divisors (1254031809).
2315152191 is a wasteful number, since it uses less digits than its factorization.
2315152191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4199.
The product of its digits is 2700, while the sum is 30.
The square root of 2315152191 is about 48116.0284208911. The cubic root of 2315152191 is about 1322.8984730089.
The spelling of 2315152191 in words is "two billion, three hundred fifteen million, one hundred fifty-two thousand, one hundred ninety-one".
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