Base | Representation |
---|---|
bin | 111101000011011000… |
… | …1000000100010101100 |
3 | 110112102021121202100010 |
4 | 1322012301000202230 |
5 | 4122003130404400 |
6 | 140121530333220 |
7 | 12321012503103 |
oct | 1720661004254 |
9 | 415367552303 |
10 | 131110013100 |
11 | 50670203430 |
12 | 214b058a210 |
13 | c495b50011 |
14 | 64baa9303a |
15 | 3625526450 |
hex | 1e86c408ac |
131110013100 has 144 divisors (see below), whose sum is σ = 414525718656. Its totient is φ = 31730880000.
The previous prime is 131110013093. The next prime is 131110013123. The reversal of 131110013100 is 1310011131.
It is a super-2 number, since 2×1311100131002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1950247 + ... + 2016353.
It is an arithmetic number, because the mean of its divisors is an integer number (2878650824).
Almost surely, 2131110013100 is an apocalyptic number.
131110013100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131110013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207262859328).
131110013100 is an abundant number, since it is smaller than the sum of its proper divisors (283415705556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131110013100 is a wasteful number, since it uses less digits than its factorization.
131110013100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66736 (or 66729 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 12.
Adding to 131110013100 its reverse (1310011131), we get a palindrome (132420024231).
The spelling of 131110013100 in words is "one hundred thirty-one billion, one hundred ten million, thirteen thousand, one hundred".
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