Base | Representation |
---|---|
bin | 11000111110010010… |
… | …10111100011111001 |
3 | 1021121101111002200112 |
4 | 30133021113203321 |
5 | 204424301421020 |
6 | 10054224114105 |
7 | 653151312356 |
oct | 143711274371 |
9 | 37541432615 |
10 | 13407451385 |
11 | 576017a739 |
12 | 2722165935 |
13 | 1358921ab3 |
14 | 91290d62d |
15 | 5370d82c5 |
hex | 31f2578f9 |
13407451385 has 24 divisors (see below), whose sum is σ = 16738413120. Its totient is φ = 10304159040.
The previous prime is 13407451363. The next prime is 13407451411. The reversal of 13407451385 is 58315470431.
It is not a de Polignac number, because 13407451385 - 212 = 13407447289 is a prime.
It is a super-2 number, since 2×134074513852 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791636 + ... + 808394.
It is an arithmetic number, because the mean of its divisors is an integer number (697433880).
Almost surely, 213407451385 is an apocalyptic number.
It is an amenable number.
13407451385 is a deficient number, since it is larger than the sum of its proper divisors (3330961735).
13407451385 is an equidigital number, since it uses as much as digits as its factorization.
13407451385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16929 (or 16868 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 41.
The spelling of 13407451385 in words is "thirteen billion, four hundred seven million, four hundred fifty-one thousand, three hundred eighty-five".
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