Base | Representation |
---|---|
bin | 11000110001010110… |
… | …10110010100111000 |
3 | 1021022211021001211220 |
4 | 30120223112110320 |
5 | 204214010344322 |
6 | 10035345552040 |
7 | 650362641522 |
oct | 143053262470 |
9 | 37284231756 |
10 | 13298918712 |
11 | 5704990512 |
12 | 26b1945620 |
13 | 133c2b1591 |
14 | 90233aa12 |
15 | 52c7ea55c |
hex | 318ad6538 |
13298918712 has 64 divisors (see below), whose sum is σ = 35439444000. Its totient is φ = 4144189440.
The previous prime is 13298918683. The next prime is 13298918713. The reversal of 13298918712 is 21781989231.
It is a super-2 number, since 2×132989187122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13298918713) 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, 48589 + ... + 170172.
Almost surely, 213298918712 is an apocalyptic number.
13298918712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13298918712 is an abundant number, since it is smaller than the sum of its proper divisors (22140525288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13298918712 is a wasteful number, since it uses less digits than its factorization.
13298918712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218936 (or 218932 counting only the distinct ones).
The product of its digits is 435456, while the sum is 51.
The spelling of 13298918712 in words is "thirteen billion, two hundred ninety-eight million, nine hundred eighteen thousand, seven hundred twelve".
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