Base | Representation |
---|---|
bin | 10101101101100000… |
… | …010001011100101100 |
3 | 2020011122122222002121 |
4 | 111231200101130230 |
5 | 340220333404400 |
6 | 14413121202324 |
7 | 1453456561525 |
oct | 255540213454 |
9 | 66148588077 |
10 | 23312013100 |
11 | 9983029532 |
12 | 46271903a4 |
13 | 2276904bbc |
14 | 11b210b84c |
15 | 9168e321a |
hex | 56d81172c |
23312013100 has 18 divisors (see below), whose sum is σ = 50587068644. Its totient is φ = 9324805200.
The previous prime is 23312013097. The next prime is 23312013103. The reversal of 23312013100 is 131021332.
It is an interprime number because it is at equal distance from previous prime (23312013097) and next prime (23312013103).
It is a super-2 number, since 2×233120131002 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23312013103) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116559966 + ... + 116560165.
Almost surely, 223312013100 is an apocalyptic number.
23312013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23312013100 is an abundant number, since it is smaller than the sum of its proper divisors (27275055544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23312013100 is a wasteful number, since it uses less digits than its factorization.
23312013100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233120145 (or 233120138 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 23312013100 its reverse (131021332), we get a palindrome (23443034432).
The spelling of 23312013100 in words is "twenty-three billion, three hundred twelve million, thirteen thousand, one hundred".
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