Base | Representation |
---|---|
bin | 1001001011101100111… |
… | …01111001001111100110 |
3 | 1010011102010211212211100 |
4 | 10211312131321033212 |
5 | 20132141130120432 |
6 | 400540432020530 |
7 | 31536612054363 |
oct | 4456635711746 |
9 | 1104363755740 |
10 | 315520160742 |
11 | 1118a19a5826 |
12 | 51197091746 |
13 | 239a436b387 |
14 | 113b248946a |
15 | 8319ec007c |
hex | 49767793e6 |
315520160742 has 48 divisors (see below), whose sum is σ = 685427848560. Its totient is φ = 104896498176.
The previous prime is 315520160741. The next prime is 315520160749. The reversal of 315520160742 is 247061025513.
315520160742 is a `hidden beast` number, since 3 + 1 + 5 + 5 + 2 + 0 + 1 + 607 + 42 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 315520160697 and 315520160706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315520160741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38724313 + ... + 38732459.
It is an arithmetic number, because the mean of its divisors is an integer number (14279746845).
Almost surely, 2315520160742 is an apocalyptic number.
315520160742 is an abundant number, since it is smaller than the sum of its proper divisors (369907687818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
315520160742 is a wasteful number, since it uses less digits than its factorization.
315520160742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13557 (or 13554 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The spelling of 315520160742 in words is "three hundred fifteen billion, five hundred twenty million, one hundred sixty thousand, seven hundred forty-two".
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