Base | Representation |
---|---|
bin | 1011001100101010101000… |
… | …1011001100110011101100 |
3 | 1121121001000120102020020121 |
4 | 2303022222023030303230 |
5 | 3103210422210124400 |
6 | 42104054435054324 |
7 | 2410346366366206 |
oct | 263125213146354 |
9 | 47531016366217 |
10 | 12312231333100 |
11 | 3a17651676756 |
12 | 146a2394413a4 |
13 | 6b406658acaa |
14 | 307cb5359776 |
15 | 1654092e821a |
hex | b32aa2cccec |
12312231333100 has 72 divisors (see below), whose sum is σ = 27138899249280. Its totient is φ = 4847719303680.
The previous prime is 12312231333097. The next prime is 12312231333137. The reversal of 12312231333100 is 133313221321.
12312231333100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×123122313331002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1117087 + ... + 5086486.
It is an arithmetic number, because the mean of its divisors is an integer number (376929156240).
Almost surely, 212312231333100 is an apocalyptic number.
12312231333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12312231333100 is an abundant number, since it is smaller than the sum of its proper divisors (14826667916180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312231333100 is a wasteful number, since it uses less digits than its factorization.
12312231333100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6203899 (or 6203892 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 12312231333100 its reverse (133313221321), we get a palindrome (12445544554421).
The spelling of 12312231333100 in words is "twelve trillion, three hundred twelve billion, two hundred thirty-one million, three hundred thirty-three thousand, one hundred".
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