Base | Representation |
---|---|
bin | 1011110110100001000111… |
… | …1001101100011110001100 |
3 | 1201010202212220100110100002 |
4 | 2331220101321230132030 |
5 | 3202000430131104400 |
6 | 43414244231423432 |
7 | 2513322024601304 |
oct | 275502171543614 |
9 | 51122786313302 |
10 | 13031231113100 |
11 | 4174572270272 |
12 | 1565658b24b78 |
13 | 736abc1194b5 |
14 | 330a01b7c604 |
15 | 178e8b3e4ed5 |
hex | bda11e6c78c |
13031231113100 has 36 divisors (see below), whose sum is σ = 28280264754504. Its totient is φ = 5212032862080.
The previous prime is 13031231113049. The next prime is 13031231113141. The reversal of 13031231113100 is 131113213031.
It is a super-2 number, since 2×130312311131002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4603814 + ... + 6874413.
Almost surely, 213031231113100 is an apocalyptic number.
13031231113100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13031231113100 is an abundant number, since it is smaller than the sum of its proper divisors (15249033641404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031231113100 is a wasteful number, since it uses less digits than its factorization.
13031231113100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11489594 (or 11489587 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 13031231113100 its reverse (131113213031), we get a palindrome (13162344326131).
The spelling of 13031231113100 in words is "thirteen trillion, thirty-one billion, two hundred thirty-one million, one hundred thirteen thousand, one hundred".
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