Base | Representation |
---|---|
bin | 1000101000000111… |
… | …0111010110000001 |
3 | 12222101111000110001 |
4 | 2022001313112001 |
5 | 14220312312031 |
6 | 1021442240001 |
7 | 111246335050 |
oct | 21201672601 |
9 | 5871430401 |
10 | 2315744641 |
11 | a891a5251 |
12 | 547656001 |
13 | 2ab9c8702 |
14 | 17d7aa397 |
15 | d8481861 |
hex | 8a077581 |
2315744641 has 16 divisors (see below), whose sum is σ = 2877987456. Its totient is φ = 1817669376.
The previous prime is 2315744633. The next prime is 2315744663. The reversal of 2315744641 is 1464475132.
It is not a de Polignac number, because 2315744641 - 23 = 2315744633 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2315744641.
It is not an unprimeable number, because it can be changed into a prime (2315744941) 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 15 ways as a sum of consecutive naturals, for example, 258571 + ... + 267376.
It is an arithmetic number, because the mean of its divisors is an integer number (179874216).
Almost surely, 22315744641 is an apocalyptic number.
It is an amenable number.
2315744641 is a deficient number, since it is larger than the sum of its proper divisors (562242815).
2315744641 is a wasteful number, since it uses less digits than its factorization.
2315744641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526008.
The product of its digits is 80640, while the sum is 37.
The square root of 2315744641 is about 48122.1844994593. The cubic root of 2315744641 is about 1323.0113071109.
The spelling of 2315744641 in words is "two billion, three hundred fifteen million, seven hundred forty-four thousand, six hundred forty-one".
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