Base | Representation |
---|---|
bin | 111101000011011110… |
… | …1010001111110000010 |
3 | 110112102111200012101100 |
4 | 1322012331101332002 |
5 | 4122004441331320 |
6 | 140122123315230 |
7 | 12321052032324 |
oct | 1720675217602 |
9 | 415374605340 |
10 | 131113230210 |
11 | 506720004a6 |
12 | 214b167bb16 |
13 | c496708431 |
14 | 64bb28d614 |
15 | 362595e790 |
hex | 1e86f51f82 |
131113230210 has 24 divisors (see below), whose sum is σ = 340894398780. Its totient is φ = 34963528032.
The previous prime is 131113230203. The next prime is 131113230239. The reversal of 131113230210 is 12032311131.
131113230210 is a `hidden beast` number, since 131 + 1 + 1 + 323 + 0 + 210 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 131109892281 + 3337929 = 362091^2 + 1827^2 .
It is a super-2 number, since 2×1311132302102 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728406745 + ... + 728406924.
Almost surely, 2131113230210 is an apocalyptic number.
131113230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131113230210 is an abundant number, since it is smaller than the sum of its proper divisors (209781168570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131113230210 is a wasteful number, since it uses less digits than its factorization.
131113230210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1456813682 (or 1456813679 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 131113230210 its reverse (12032311131), we get a palindrome (143145541341).
The spelling of 131113230210 in words is "one hundred thirty-one billion, one hundred thirteen million, two hundred thirty thousand, two hundred ten".
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