Base | Representation |
---|---|
bin | 100001011011100100… |
… | …1011110110110011000 |
3 | 20212022022200021101011 |
4 | 1002313021132312120 |
5 | 2134012300133140 |
6 | 52551511503304 |
7 | 5121035366620 |
oct | 1026711366630 |
9 | 225268607334 |
10 | 71792192920 |
11 | 284a0904148 |
12 | 11ab7087b34 |
13 | 6a01833036 |
14 | 3690a59880 |
15 | 1d02b25cea |
hex | 10b725ed98 |
71792192920 has 64 divisors (see below), whose sum is σ = 184633001280. Its totient is φ = 24611198976.
The previous prime is 71792192851. The next prime is 71792192947. The reversal of 71792192920 is 2929129717.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3140572 + ... + 3163348.
It is an arithmetic number, because the mean of its divisors is an integer number (2884890645).
Almost surely, 271792192920 is an apocalyptic number.
71792192920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
71792192920 is an abundant number, since it is smaller than the sum of its proper divisors (112840808360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71792192920 is a wasteful number, since it uses less digits than its factorization.
71792192920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34052 (or 34048 counting only the distinct ones).
The product of its (nonzero) digits is 285768, while the sum is 49.
The spelling of 71792192920 in words is "seventy-one billion, seven hundred ninety-two million, one hundred ninety-two thousand, nine hundred twenty".
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