Base | Representation |
---|---|
bin | 11101111000100100110111… |
… | …110010001101100000110101 |
3 | 122020100200222102000021200100 |
4 | 131320210313302031200311 |
5 | 114211332124403244300 |
6 | 1143310401254504313 |
7 | 36453410256134022 |
oct | 3570446762154065 |
9 | 566320872007610 |
10 | 131431230134325 |
11 | 38972743007690 |
12 | 128a8305065099 |
13 | 5844bb1369784 |
14 | 246543c348549 |
15 | 102dc64321700 |
hex | 778937c8d835 |
131431230134325 has 72 divisors (see below), whose sum is σ = 257807914880256. Its totient is φ = 63476278272000.
The previous prime is 131431230134279. The next prime is 131431230134341. The reversal of 131431230134325 is 523431032134131.
131431230134325 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 3 + 1 + 2 + 301 + 343 + 2 + 5 = 666.
It is not a de Polignac number, because 131431230134325 - 217 = 131431230003253 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 131431230134325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102678181 + ... + 103950330.
It is an arithmetic number, because the mean of its divisors is an integer number (3580665484448).
Almost surely, 2131431230134325 is an apocalyptic number.
131431230134325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131431230134325 is a deficient number, since it is larger than the sum of its proper divisors (126376684745931).
131431230134325 is a wasteful number, since it uses less digits than its factorization.
131431230134325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206628795 (or 206628787 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
Adding to 131431230134325 its reverse (523431032134131), we get a palindrome (654862262268456).
The spelling of 131431230134325 in words is "one hundred thirty-one trillion, four hundred thirty-one billion, two hundred thirty million, one hundred thirty-four thousand, three hundred twenty-five".
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