Base | Representation |
---|---|
bin | 100100110101111110… |
… | …1111001100100000000 |
3 | 21120020001202002100000 |
4 | 1021223331321210000 |
5 | 2244014411100000 |
6 | 100203025200000 |
7 | 5500454463204 |
oct | 1115375714400 |
9 | 246201662300 |
10 | 79120800000 |
11 | 306116a1110 |
12 | 13401490000 |
13 | 75cbc41a28 |
14 | 3b880b4b04 |
15 | 20d1200000 |
hex | 126bf79900 |
79120800000 has 1296 divisors, whose sum is σ = 331298420544. Its totient is φ = 18662400000.
The previous prime is 79120799981. The next prime is 79120800013. The reversal of 79120800000 is 802197.
It is a tau number, because it is divible by the number of its divisors (1296).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2138399982 + ... + 2138400018.
Almost surely, 279120800000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 79120800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165649210272).
79120800000 is an abundant number, since it is smaller than the sum of its proper divisors (252177620544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79120800000 is an frugal number, since it uses more digits than its factorization.
79120800000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104 (or 58 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 27.
The spelling of 79120800000 in words is "seventy-nine billion, one hundred twenty million, eight hundred thousand".
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