Base | Representation |
---|---|
bin | 10101011011100100… |
… | …011000111001101000 |
3 | 2012101200110010002121 |
4 | 111123210120321220 |
5 | 334111320233222 |
6 | 14323211441024 |
7 | 1443144066562 |
oct | 253344307150 |
9 | 65350403077 |
10 | 23011102312 |
11 | 9839192830 |
12 | 4562456174 |
13 | 2229478693 |
14 | 118417c332 |
15 | 8ea2a45c7 |
hex | 55b918e68 |
23011102312 has 32 divisors (see below), whose sum is σ = 49545439200. Its totient is φ = 9909086400.
The previous prime is 23011102241. The next prime is 23011102321. The reversal of 23011102312 is 21320111032.
It is a super-2 number, since 2×230111023122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 6879639 + ... + 6882982.
It is an arithmetic number, because the mean of its divisors is an integer number (1548294975).
Almost surely, 223011102312 is an apocalyptic number.
23011102312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
23011102312 is an abundant number, since it is smaller than the sum of its proper divisors (26534336888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23011102312 is a wasteful number, since it uses less digits than its factorization.
23011102312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13762657 (or 13762653 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 23011102312 its reverse (21320111032), we get a palindrome (44331213344).
The spelling of 23011102312 in words is "twenty-three billion, eleven million, one hundred two thousand, three hundred twelve".
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