Base | Representation |
---|---|
bin | 11000100000100001… |
… | …10010011000010101 |
3 | 1020221222121100022211 |
4 | 30100100302120111 |
5 | 203421340104010 |
6 | 10013343553421 |
7 | 644026633126 |
oct | 142020623025 |
9 | 36858540284 |
10 | 13157738005 |
11 | 5642222345 |
12 | 26725bb871 |
13 | 1318c7c9b9 |
14 | 8cb6aa04d |
15 | 52020e08a |
hex | 310432615 |
13157738005 has 8 divisors (see below), whose sum is σ = 15795121752. Its totient is φ = 10522299648.
The previous prime is 13157737973. The next prime is 13157738029. The reversal of 13157738005 is 50083775131.
It can be written as a sum of positive squares in 4 ways, for example, as 2638774161 + 10518963844 = 51369^2 + 102562^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13157738005 - 25 = 13157737973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471424 + ... + 498553.
It is an arithmetic number, because the mean of its divisors is an integer number (1974390219).
Almost surely, 213157738005 is an apocalyptic number.
It is an amenable number.
13157738005 is a deficient number, since it is larger than the sum of its proper divisors (2637383747).
13157738005 is an equidigital number, since it uses as much as digits as its factorization.
13157738005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 972695.
The product of its (nonzero) digits is 88200, while the sum is 40.
The spelling of 13157738005 in words is "thirteen billion, one hundred fifty-seven million, seven hundred thirty-eight thousand, five".
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