Base | Representation |
---|---|
bin | 101000111001011… |
… | …0101000101111100 |
3 | 10112122012000010020 |
4 | 1101302311011330 |
5 | 10302300413124 |
6 | 344100412140 |
7 | 46002115614 |
oct | 12162650574 |
9 | 3478160106 |
10 | 1372279164 |
11 | 644685713 |
12 | 3236a7050 |
13 | 18b3c4009 |
14 | d0377a44 |
15 | 8071b379 |
hex | 51cb517c |
1372279164 has 12 divisors (see below), whose sum is σ = 3201984744. Its totient is φ = 457426384.
The previous prime is 1372279157. The next prime is 1372279187. The reversal of 1372279164 is 4619722731.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57178287 + ... + 57178310.
It is an arithmetic number, because the mean of its divisors is an integer number (266832062).
Almost surely, 21372279164 is an apocalyptic number.
It is an amenable number.
1372279164 is an abundant number, since it is smaller than the sum of its proper divisors (1829705580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1372279164 is a wasteful number, since it uses less digits than its factorization.
1372279164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114356604 (or 114356602 counting only the distinct ones).
The product of its digits is 127008, while the sum is 42.
The square root of 1372279164 is about 37044.2865230254. The cubic root of 1372279164 is about 1111.2560961013.
The spelling of 1372279164 in words is "one billion, three hundred seventy-two million, two hundred seventy-nine thousand, one hundred sixty-four".
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