Base | Representation |
---|---|
bin | 100100111101011011… |
… | …1000100000000000000 |
3 | 21120212110220121000201 |
4 | 1021322313010000000 |
5 | 2300022342302414 |
6 | 100243512454544 |
7 | 5506610346361 |
oct | 1117267040000 |
9 | 246773817021 |
10 | 79370665984 |
11 | 3072a743125 |
12 | 134710aa454 |
13 | 763b93841c |
14 | 3bad357b68 |
15 | 20e8109574 |
hex | 127adc4000 |
79370665984 has 135 divisors (see below), whose sum is σ = 166364907303. Its totient is φ = 37864243200.
The previous prime is 79370665973. The next prime is 79370665991. The reversal of 79370665984 is 48956607397.
It is a happy number.
The square root of 79370665984 is 281728.
It is a perfect power (a square), and thus also a powerful number.
It is a Harshad number since it is a multiple of its sum of digits (64).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1117896669 + ... + 1117896739.
Almost surely, 279370665984 is an apocalyptic number.
79370665984 is the 281728-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79370665984
79370665984 is an abundant number, since it is smaller than the sum of its proper divisors (86994241319).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79370665984 is an frugal number, since it uses more digits than its factorization.
79370665984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232 (or 104 counting only the distinct ones).
The product of its (nonzero) digits is 68584320, while the sum is 64.
Multiplying 79370665984 by its sum of digits (64), we get a square (5079722622976 = 22538242).
79370665984 divided by its sum of digits (64) gives a square (1240166656 = 352162).
The spelling of 79370665984 in words is "seventy-nine billion, three hundred seventy million, six hundred sixty-five thousand, nine hundred eighty-four".
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