Base | Representation |
---|---|
bin | 11101110010011101101000… |
… | …100110011101110101001100 |
3 | 122011212112122202201102202201 |
4 | 131302131220212131311030 |
5 | 114132441304420002022 |
6 | 1142345404331331244 |
7 | 36411146144625460 |
oct | 3562355046356514 |
9 | 564775582642681 |
10 | 131011142344012 |
11 | 38820571444097 |
12 | 1283aa065b0b24 |
13 | 58143b40c6598 |
14 | 244cd8a36a4a0 |
15 | 1022d7911a127 |
hex | 77276899dd4c |
131011142344012 has 12 divisors (see below), whose sum is σ = 262022284688080. Its totient is φ = 56147632433136.
The previous prime is 131011142344007. The next prime is 131011142344037. The reversal of 131011142344012 is 210443241110131.
131011142344012 is an admirable number.
It is a super-2 number, since 2×1310111423440122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4678969369429 = 131011142344012 / (1 + 3 + 1 + 0 + 1 + 1 + 1 + 4 + 2 + 3 + 4 + 4 + 0 + 1 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339484684687 + ... + 2339484684742.
Almost surely, 2131011142344012 is an apocalyptic number.
It is an amenable number.
131011142344012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131011142344012 is a wasteful number, since it uses less digits than its factorization.
131011142344012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4678969369440 (or 4678969369438 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
Adding to 131011142344012 its reverse (210443241110131), we get a palindrome (341454383454143).
The spelling of 131011142344012 in words is "one hundred thirty-one trillion, eleven billion, one hundred forty-two million, three hundred forty-four thousand, twelve".
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