Base | Representation |
---|---|
bin | 10101011011111010… |
… | …010001010111101101 |
3 | 2012102002020112212002 |
4 | 111123322101113231 |
5 | 334114302314022 |
6 | 14323534422045 |
7 | 1443243620552 |
oct | 253372212755 |
9 | 65362215762 |
10 | 23016838637 |
11 | 98414505a1 |
12 | 4564361925 |
13 | 222a706660 |
14 | 1184c32a29 |
15 | 8eaa39092 |
hex | 55be915ed |
23016838637 has 16 divisors (see below), whose sum is σ = 25470170880. Its totient is φ = 20666601792.
The previous prime is 23016838597. The next prime is 23016838643. The reversal of 23016838637 is 73683861032.
It is a cyclic number.
It is not a de Polignac number, because 23016838637 - 214 = 23016822253 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23016838591 and 23016838600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23016838657) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15962 + ... + 215147.
It is an arithmetic number, because the mean of its divisors is an integer number (1591885680).
Almost surely, 223016838637 is an apocalyptic number.
It is an amenable number.
23016838637 is a deficient number, since it is larger than the sum of its proper divisors (2453332243).
23016838637 is a wasteful number, since it uses less digits than its factorization.
23016838637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231332.
The product of its (nonzero) digits is 870912, while the sum is 47.
The spelling of 23016838637 in words is "twenty-three billion, sixteen million, eight hundred thirty-eight thousand, six hundred thirty-seven".
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