Base | Representation |
---|---|
bin | 1011000001110000010… |
… | …10110101010100010100 |
3 | 1100020000011020012022021 |
4 | 11200320022311110110 |
5 | 22201441232022342 |
6 | 450021454542524 |
7 | 36242324330260 |
oct | 5407012652424 |
9 | 1306004205267 |
10 | 378899485972 |
11 | 136765977957 |
12 | 61524807a44 |
13 | 29964c62a97 |
14 | 144a5a870a0 |
15 | 9cc9244567 |
hex | 58382b5514 |
378899485972 has 12 divisors (see below), whose sum is σ = 757798972000. Its totient is φ = 162385493976.
The previous prime is 378899485927. The next prime is 378899485973. The reversal of 378899485972 is 279584998873.
378899485972 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 378899485892 and 378899485901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (378899485973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6766062222 + ... + 6766062277.
Almost surely, 2378899485972 is an apocalyptic number.
It is an amenable number.
378899485972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
378899485972 is a wasteful number, since it uses less digits than its factorization.
378899485972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13532124510 (or 13532124508 counting only the distinct ones).
The product of its digits is 2194698240, while the sum is 79.
The spelling of 378899485972 in words is "three hundred seventy-eight billion, eight hundred ninety-nine million, four hundred eighty-five thousand, nine hundred seventy-two".
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