Base | Representation |
---|---|
bin | 11001100011001111… |
… | …10000011100101011 |
3 | 1022101222201111120210 |
4 | 30301213300130223 |
5 | 211043124020111 |
6 | 10145055352203 |
7 | 663634016532 |
oct | 146147603453 |
9 | 38358644523 |
10 | 13717407531 |
11 | 58aa134343 |
12 | 27a9b22663 |
13 | 13a7bc74b9 |
14 | 941b55319 |
15 | 5544120a6 |
hex | 3319f072b |
13717407531 has 16 divisors (see below), whose sum is σ = 18493034400. Its totient is φ = 9043722240.
The previous prime is 13717407521. The next prime is 13717407553. The reversal of 13717407531 is 13570471731.
It is not a de Polignac number, because 13717407531 - 214 = 13717391147 is a prime.
It is a super-2 number, since 2×137174075312 (a number of 21 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 13717407531.
It is not an unprimeable number, because it can be changed into a prime (13717407521) 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, 107151 + ... + 197271.
It is an arithmetic number, because the mean of its divisors is an integer number (1155814650).
Almost surely, 213717407531 is an apocalyptic number.
13717407531 is a deficient number, since it is larger than the sum of its proper divisors (4775626869).
13717407531 is a wasteful number, since it uses less digits than its factorization.
13717407531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90686.
The product of its (nonzero) digits is 61740, while the sum is 39.
The spelling of 13717407531 in words is "thirteen billion, seven hundred seventeen million, four hundred seven thousand, five hundred thirty-one".
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