Base | Representation |
---|---|
bin | 100011110111001011101111… |
… | …0011100100001001011110111 |
3 | 1112100220111101222012120222200 |
4 | 1013232113132130201023313 |
5 | 312321243143344311011 |
6 | 3034522343523555543 |
7 | 123305223502215003 |
oct | 10756273634411367 |
9 | 1470814358176880 |
10 | 315447605072631 |
11 | 9156963a3a8029 |
12 | 2b467a3882bbb3 |
13 | 107027737a1855 |
14 | 57c7a61b01703 |
15 | 26707b1d8d856 |
hex | 11ee5de7212f7 |
315447605072631 has 12 divisors (see below), whose sum is σ = 455646759615840. Its totient is φ = 210298302325440.
The previous prime is 315447605072617. The next prime is 315447605072653. The reversal of 315447605072631 is 136270506744513.
315447605072631 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 4 + 7 + 605 + 0 + 7 + 26 + 3 + 1 = 666.
It is not a de Polignac number, because 315447605072631 - 25 = 315447605072599 is a prime.
It is a super-2 number, since 2×3154476050726312 (a number of 30 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315447605079631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14684911 + ... + 29095391.
It is an arithmetic number, because the mean of its divisors is an integer number (37970563301320).
Almost surely, 2315447605072631 is an apocalyptic number.
315447605072631 is a deficient number, since it is larger than the sum of its proper divisors (140199154543209).
315447605072631 is a wasteful number, since it uses less digits than its factorization.
315447605072631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16842726 (or 16842723 counting only the distinct ones).
The product of its (nonzero) digits is 12700800, while the sum is 54.
The spelling of 315447605072631 in words is "three hundred fifteen trillion, four hundred forty-seven billion, six hundred five million, seventy-two thousand, six hundred thirty-one".
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