Base | Representation |
---|---|
bin | 10101011101111111… |
… | …000001000100100111 |
3 | 2012111111201111021111 |
4 | 111131333001010213 |
5 | 334202204341111 |
6 | 14331220325451 |
7 | 1444145452603 |
oct | 253577010447 |
9 | 65444644244 |
10 | 23051637031 |
11 | 985a0590a5 |
12 | 4573b43887 |
13 | 223499b717 |
14 | 11896d0503 |
15 | 8edb0ea21 |
hex | 55dfc1127 |
23051637031 has 4 divisors (see below), whose sum is σ = 23233146112. Its totient is φ = 22870127952.
The previous prime is 23051637017. The next prime is 23051637041. The reversal of 23051637031 is 13073615032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 23051637031 - 27 = 23051636903 is a prime.
It is a super-2 number, since 2×230516370312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23051636984 and 23051637002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23051637041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90754350 + ... + 90754603.
It is an arithmetic number, because the mean of its divisors is an integer number (5808286528).
Almost surely, 223051637031 is an apocalyptic number.
23051637031 is a deficient number, since it is larger than the sum of its proper divisors (181509081).
23051637031 is a wasteful number, since it uses less digits than its factorization.
23051637031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181509080.
The product of its (nonzero) digits is 11340, while the sum is 31.
The spelling of 23051637031 in words is "twenty-three billion, fifty-one million, six hundred thirty-seven thousand, thirty-one".
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