Base | Representation |
---|---|
bin | 11000100111000110… |
… | …00011111001000110 |
3 | 1021002211022211110020 |
4 | 30103203003321012 |
5 | 204024443004344 |
6 | 10023033240010 |
7 | 645266312436 |
oct | 142343037106 |
9 | 37084284406 |
10 | 13212859974 |
11 | 5670351296 |
12 | 2688b63006 |
13 | 132750c552 |
14 | 8d4b382c6 |
15 | 524e9b719 |
hex | 3138c3e46 |
13212859974 has 36 divisors (see below), whose sum is σ = 26679850212. Its totient is φ = 4362333920.
The previous prime is 13212859973. The next prime is 13212859981. The reversal of 13212859974 is 47995821231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13212859973) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47020714 + ... + 47020994.
Almost surely, 213212859974 is an apocalyptic number.
13212859974 is an abundant number, since it is smaller than the sum of its proper divisors (13466990238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13212859974 is an frugal number, since it uses more digits than its factorization.
13212859974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 901 (or 453 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 51.
The spelling of 13212859974 in words is "thirteen billion, two hundred twelve million, eight hundred fifty-nine thousand, nine hundred seventy-four".
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