Base | Representation |
---|---|
bin | 1001001011001100001… |
… | …10010011110001110001 |
3 | 1010010201000002211102211 |
4 | 10211212012103301301 |
5 | 20131110324330023 |
6 | 400453302012121 |
7 | 31530035620216 |
oct | 4454606236161 |
9 | 1103630084384 |
10 | 315245542513 |
11 | 111770988010 |
12 | 5111b117041 |
13 | 2395c4b9495 |
14 | 11387c01b0d |
15 | 8300d26a0d |
hex | 4966193c71 |
315245542513 has 16 divisors (see below), whose sum is σ = 348017072832. Its totient is φ = 283178272000.
The previous prime is 315245542501. The next prime is 315245542537.
315245542513 is nontrivially palindromic in base 10.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-315245542513 is a prime.
It is not an unprimeable number, because it can be changed into a prime (315245542583) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133708 + ... + 805213.
It is an arithmetic number, because the mean of its divisors is an integer number (21751067052).
Almost surely, 2315245542513 is an apocalyptic number.
It is an amenable number.
315245542513 is a deficient number, since it is larger than the sum of its proper divisors (32771530319).
315245542513 is a wasteful number, since it uses less digits than its factorization.
315245542513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 939296.
The product of its digits is 360000, while the sum is 40.
It can be divided in two parts, 315245 and 542513, that added together give a palindrome (857758).
The spelling of 315245542513 in words is "three hundred fifteen billion, two hundred forty-five million, five hundred forty-two thousand, five hundred thirteen".
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