Base | Representation |
---|---|
bin | 1001001100110110001… |
… | …01101001011101101101 |
3 | 1010012222221221200102100 |
4 | 10212123011221131231 |
5 | 20134420421433040 |
6 | 401121420445313 |
7 | 31561052302560 |
oct | 4463305513555 |
9 | 1105887850370 |
10 | 316134561645 |
11 | 11208779a271 |
12 | 513289a9839 |
13 | 23a717399c6 |
14 | 1142dd004d7 |
15 | 8353dd4b30 |
hex | 499b16976d |
316134561645 has 96 divisors (see below), whose sum is σ = 663262629120. Its totient is φ = 135981250560.
The previous prime is 316134561623. The next prime is 316134561661. The reversal of 316134561645 is 546165431613.
316134561645 is a `hidden beast` number, since 3 + 16 + 1 + 34 + 561 + 6 + 45 = 666.
It is not a de Polignac number, because 316134561645 - 227 = 316000343917 is a prime.
It is a super-3 number, since 3×3161345616453 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 316134561645.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32826691 + ... + 32836319.
It is an arithmetic number, because the mean of its divisors is an integer number (6908985720).
Almost surely, 2316134561645 is an apocalyptic number.
316134561645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
316134561645 is an abundant number, since it is smaller than the sum of its proper divisors (347128067475).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
316134561645 is a wasteful number, since it uses less digits than its factorization.
316134561645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15795 (or 15792 counting only the distinct ones).
The product of its digits is 777600, while the sum is 45.
The spelling of 316134561645 in words is "three hundred sixteen billion, one hundred thirty-four million, five hundred sixty-one thousand, six hundred forty-five".
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