Base | Representation |
---|---|
bin | 100101000001001000… |
… | …1010010011000000000 |
3 | 21121012010211110100000 |
4 | 1022002101102120000 |
5 | 2300301203343440 |
6 | 100304113200000 |
7 | 5512650122232 |
oct | 1120221223000 |
9 | 247163743300 |
10 | 79494981120 |
11 | 30793931a05 |
12 | 134a6860000 |
13 | 765b613489 |
14 | 3bc1a78252 |
15 | 2103eb3730 |
hex | 1282452600 |
79494981120 has 480 divisors, whose sum is σ = 302345211168. Its totient is φ = 19949027328.
The previous prime is 79494981109. The next prime is 79494981149. The reversal of 79494981120 is 2118949497.
79494981120 is a `hidden beast` number, since 79 + 494 + 9 + 81 + 1 + 2 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (480).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10571602 + ... + 10579118.
Almost surely, 279494981120 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 79494981120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151172605584).
79494981120 is an abundant number, since it is smaller than the sum of its proper divisors (222850230048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79494981120 is an equidigital number, since it uses as much as digits as its factorization.
79494981120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7572 (or 7544 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 54.
The spelling of 79494981120 in words is "seventy-nine billion, four hundred ninety-four million, nine hundred eighty-one thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •