Base | Representation |
---|---|
bin | 1001001011010010111… |
… | …11001110010000001011 |
3 | 1010010211222002202021201 |
4 | 10211221133032100023 |
5 | 20131214403431011 |
6 | 400503052445031 |
7 | 31531326136360 |
oct | 4455137162013 |
9 | 1103758082251 |
10 | 315302405131 |
11 | 11179aa9580a |
12 | 51136179777 |
13 | 2396b2083bc |
14 | 113915a4467 |
15 | 8305d09cc1 |
hex | 49697ce40b |
315302405131 has 16 divisors (see below), whose sum is σ = 363618097920. Its totient is φ = 267815772000.
The previous prime is 315302405111. The next prime is 315302405167. The reversal of 315302405131 is 131504203513.
It is a happy number.
It is not a de Polignac number, because 315302405131 - 27 = 315302405003 is a prime.
It is a super-2 number, since 2×3153024051312 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 315302405131.
It is not an unprimeable number, because it can be changed into a prime (315302405111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109341 + ... + 801598.
It is an arithmetic number, because the mean of its divisors is an integer number (22726131120).
Almost surely, 2315302405131 is an apocalyptic number.
315302405131 is a deficient number, since it is larger than the sum of its proper divisors (48315692789).
315302405131 is a wasteful number, since it uses less digits than its factorization.
315302405131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 911394.
The product of its (nonzero) digits is 5400, while the sum is 28.
Adding to 315302405131 its reverse (131504203513), we get a palindrome (446806608644).
The spelling of 315302405131 in words is "three hundred fifteen billion, three hundred two million, four hundred five thousand, one hundred thirty-one".
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