Base | Representation |
---|---|
bin | 10101100000111000… |
… | …101010001011001111 |
3 | 2012121220021221002220 |
4 | 111200320222023033 |
5 | 334302134131111 |
6 | 14340115350423 |
7 | 1445306220222 |
oct | 254070521317 |
9 | 65556257086 |
10 | 23100302031 |
11 | 9884577904 |
12 | 45882b2413 |
13 | 2241aaa291 |
14 | 1191d5b5b9 |
15 | 903023e06 |
hex | 560e2a2cf |
23100302031 has 16 divisors (see below), whose sum is σ = 32171842560. Its totient is φ = 14724793440.
The previous prime is 23100302021. The next prime is 23100302039. The reversal of 23100302031 is 13020300132.
It is not a de Polignac number, because 23100302031 - 26 = 23100301967 is a prime.
It is a super-2 number, since 2×231003020312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 23100302031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23100302039) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279975 + ... + 1297896.
It is an arithmetic number, because the mean of its divisors is an integer number (2010740160).
Almost surely, 223100302031 is an apocalyptic number.
23100302031 is a deficient number, since it is larger than the sum of its proper divisors (9071540529).
23100302031 is a wasteful number, since it uses less digits than its factorization.
23100302031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2578006.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 23100302031 its reverse (13020300132), we get a palindrome (36120602163).
The spelling of 23100302031 in words is "twenty-three billion, one hundred million, three hundred two thousand, thirty-one".
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