Base | Representation |
---|---|
bin | 100100100110110001… |
… | …0110100100100101100 |
3 | 21111220111022022212000 |
4 | 1021031202310210230 |
5 | 2241443224311241 |
6 | 100040233212300 |
7 | 5452016151330 |
oct | 1111542644454 |
9 | 244814268760 |
10 | 78610385196 |
11 | 3037a5709a2 |
12 | 1329a561090 |
13 | 754a281335 |
14 | 3b3a3ab7c0 |
15 | 20a14caeb6 |
hex | 124d8b492c |
78610385196 has 48 divisors (see below), whose sum is σ = 232919662080. Its totient is φ = 22460109840.
The previous prime is 78610385149. The next prime is 78610385213. The reversal of 78610385196 is 69158301687.
78610385196 is a `hidden beast` number, since 7 + 8 + 610 + 3 + 8 + 5 + 19 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51990240 + ... + 51991751.
It is an arithmetic number, because the mean of its divisors is an integer number (4852492960).
Almost surely, 278610385196 is an apocalyptic number.
It is an amenable number.
78610385196 is an abundant number, since it is smaller than the sum of its proper divisors (154309276884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78610385196 is a wasteful number, since it uses less digits than its factorization.
78610385196 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103982011 (or 103982003 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 54.
The spelling of 78610385196 in words is "seventy-eight billion, six hundred ten million, three hundred eighty-five thousand, one hundred ninety-six".
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