Base | Representation |
---|---|
bin | 11101110100001101011000… |
… | …011011000011001110111000 |
3 | 122012022000100220122220220002 |
4 | 131310031120123003032320 |
5 | 114141423023240002222 |
6 | 1142520450503252132 |
7 | 36422624434110431 |
oct | 3564153033031670 |
9 | 565260326586802 |
10 | 131131130000312 |
11 | 38867444338202 |
12 | 1285a11214a048 |
13 | 58227c687b390 |
14 | 2454acdbbc488 |
15 | 102604ce83392 |
hex | 7743586c33b8 |
131131130000312 has 32 divisors (see below), whose sum is σ = 265505494900800. Its totient is φ = 60357149737344.
The previous prime is 131131130000291. The next prime is 131131130000383. The reversal of 131131130000312 is 213000031131131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717776887 + ... + 1717853222.
It is an arithmetic number, because the mean of its divisors is an integer number (8297046715650).
Almost surely, 2131131130000312 is an apocalyptic number.
It is an amenable number.
131131130000312 is an abundant number, since it is smaller than the sum of its proper divisors (134374364900488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131131130000312 is a wasteful number, since it uses less digits than its factorization.
131131130000312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3435630495 (or 3435630491 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 20.
Adding to 131131130000312 its reverse (213000031131131), we get a palindrome (344131161131443).
The spelling of 131131130000312 in words is "one hundred thirty-one trillion, one hundred thirty-one billion, one hundred thirty million, three hundred twelve", and thus it is an aban number.
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