Base | Representation |
---|---|
bin | 100100100111000101… |
… | …0110100101011000000 |
3 | 21111221020001002011110 |
4 | 1021032022310223000 |
5 | 2242003420340420 |
6 | 100041250043320 |
7 | 5452204244253 |
oct | 1111612645300 |
9 | 244836032143 |
10 | 78620871360 |
11 | 30385483349 |
12 | 132a1b79540 |
13 | 754c4b3275 |
14 | 3b3b93b09a |
15 | 20a239cee0 |
hex | 124e2b4ac0 |
78620871360 has 56 divisors (see below), whose sum is σ = 249621269616. Its totient is φ = 20965565440.
The previous prime is 78620871349. The next prime is 78620871361. The reversal of 78620871360 is 6317802687.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (78620871361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40947411 + ... + 40949330.
Almost surely, 278620871360 is an apocalyptic number.
It is an amenable number.
78620871360 is an abundant number, since it is smaller than the sum of its proper divisors (171000398256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78620871360 is a wasteful number, since it uses less digits than its factorization.
78620871360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81896761 (or 81896751 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 48.
The spelling of 78620871360 in words is "seventy-eight billion, six hundred twenty million, eight hundred seventy-one thousand, three hundred sixty".
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