Base | Representation |
---|---|
bin | 1000101000000011… |
… | …0010111111000001 |
3 | 12222100221210100200 |
4 | 2022000302333001 |
5 | 14220224332031 |
6 | 1021432235413 |
7 | 111244060530 |
oct | 21200627701 |
9 | 5870853320 |
10 | 2315464641 |
11 | a89023946 |
12 | 54753bb69 |
13 | 2ab92b129 |
14 | 17d736317 |
15 | d84288e6 |
hex | 8a032fc1 |
2315464641 has 48 divisors (see below), whose sum is σ = 3899750400. Its totient is φ = 1296588384.
The previous prime is 2315464639. The next prime is 2315464687. The reversal of 2315464641 is 1464645132.
2315464641 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 4 + 6 + 4 + 641 = 666.
It is not a de Polignac number, because 2315464641 - 21 = 2315464639 is a prime.
It is a super-2 number, since 2×23154646412 = 10722753007442517762, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2315464596 and 2315464605.
It is not an unprimeable number, because it can be changed into a prime (2315464631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690130 + ... + 693476.
It is an arithmetic number, because the mean of its divisors is an integer number (81244800).
Almost surely, 22315464641 is an apocalyptic number.
2315464641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
2315464641 is a deficient number, since it is larger than the sum of its proper divisors (1584285759).
2315464641 is a wasteful number, since it uses less digits than its factorization.
2315464641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3578 (or 3575 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 2315464641 is about 48119.2751504010. The cubic root of 2315464641 is about 1322.9579825646.
The spelling of 2315464641 in words is "two billion, three hundred fifteen million, four hundred sixty-four thousand, six hundred forty-one".
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