Base | Representation |
---|---|
bin | 11101110101011001101000… |
… | …110111000000011100101100 |
3 | 122012120211201021121010211011 |
4 | 131311121220313000130230 |
5 | 114144243221044034040 |
6 | 1143022231423035004 |
7 | 36431553465615601 |
oct | 3565315067003454 |
9 | 565524637533734 |
10 | 131213010143020 |
11 | 38899141567333 |
12 | 12871b6373ba64 |
13 | 582a445383570 |
14 | 2458a5a5326a8 |
15 | 102824153b3ea |
hex | 775668dc072c |
131213010143020 has 48 divisors (see below), whose sum is σ = 296749352783520. Its totient is φ = 48446887412736.
The previous prime is 131213010142999. The next prime is 131213010143057. The reversal of 131213010143020 is 20341010312131.
It is a junction number, because it is equal to n+sod(n) for n = 131213010142982 and 131213010143000.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7593639 + ... + 17891041.
It is an arithmetic number, because the mean of its divisors is an integer number (6182278182990).
Almost surely, 2131213010143020 is an apocalyptic number.
131213010143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131213010143020 is an abundant number, since it is smaller than the sum of its proper divisors (165536342640500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131213010143020 is a wasteful number, since it uses less digits than its factorization.
131213010143020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10346434 (or 10346432 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 131213010143020 its reverse (20341010312131), we get a palindrome (151554020455151).
The spelling of 131213010143020 in words is "one hundred thirty-one trillion, two hundred thirteen billion, ten million, one hundred forty-three thousand, twenty".
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