Base | Representation |
---|---|
bin | 111101000110001010… |
… | …0111010011101000001 |
3 | 110112122210011210120122 |
4 | 1322030110322131001 |
5 | 4122201021431200 |
6 | 140135102150025 |
7 | 12323224513634 |
oct | 1721424723501 |
9 | 415583153518 |
10 | 131203311425 |
11 | 5070893788a |
12 | 21517882315 |
13 | c4ac288324 |
14 | 64c921bc1b |
15 | 362d805385 |
hex | 1e8c53a741 |
131203311425 has 12 divisors (see below), whose sum is σ = 163040497776. Its totient is φ = 104737880400.
The previous prime is 131203311383. The next prime is 131203311439. The reversal of 131203311425 is 524113302131.
It is not a de Polignac number, because 131203311425 - 216 = 131203245889 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131203311394 and 131203311403.
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, 5607311 + ... + 5630660.
It is an arithmetic number, because the mean of its divisors is an integer number (13586708148).
Almost surely, 2131203311425 is an apocalyptic number.
It is an amenable number.
131203311425 is a deficient number, since it is larger than the sum of its proper divisors (31837186351).
131203311425 is a wasteful number, since it uses less digits than its factorization.
131203311425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11238448 (or 11238443 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 131203311425 its reverse (524113302131), we get a palindrome (655316613556).
The spelling of 131203311425 in words is "one hundred thirty-one billion, two hundred three million, three hundred eleven thousand, four hundred twenty-five".
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