Base | Representation |
---|---|
bin | 100101001000111000… |
… | …0001001000111000000 |
3 | 21121212020120221220002 |
4 | 1022101300021013000 |
5 | 2301314202242442 |
6 | 100345552335132 |
7 | 5522253000341 |
oct | 1122160110700 |
9 | 247766527802 |
10 | 79754727872 |
11 | 30907512546 |
12 | 135598444a8 |
13 | 76a0389391 |
14 | 3c083700c8 |
15 | 211bbc0732 |
hex | 1291c091c0 |
79754727872 has 28 divisors (see below), whose sum is σ = 165144303696. Its totient is φ = 38143564800.
The previous prime is 79754727863. The next prime is 79754727953. The reversal of 79754727872 is 27872745797.
It is a junction number, because it is equal to n+sod(n) for n = 79754727799 and 79754727808.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27089129 + ... + 27092072.
Almost surely, 279754727872 is an apocalyptic number.
It is an amenable number.
79754727872 is an abundant number, since it is smaller than the sum of its proper divisors (85389575824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79754727872 is a wasteful number, since it uses less digits than its factorization.
79754727872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54181236 (or 54181226 counting only the distinct ones).
The product of its digits is 96808320, while the sum is 65.
The spelling of 79754727872 in words is "seventy-nine billion, seven hundred fifty-four million, seven hundred twenty-seven thousand, eight hundred seventy-two".
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