Base | Representation |
---|---|
bin | 100001101101011110… |
… | …0101111101100001110 |
3 | 20220212011212222202220 |
4 | 1003122330233230032 |
5 | 2141230031140211 |
6 | 53131245400210 |
7 | 5141650635336 |
oct | 1033274575416 |
9 | 226764788686 |
10 | 72392833806 |
11 | 2877995a577 |
12 | 12044269066 |
13 | 6a990c4547 |
14 | 370a72c0c6 |
15 | 1d3a71d806 |
hex | 10daf2fb0e |
72392833806 has 32 divisors (see below), whose sum is σ = 150855868800. Its totient is φ = 23131217760.
The previous prime is 72392833771. The next prime is 72392833861. The reversal of 72392833806 is 60833829327.
It is a happy number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472400 + ... + 1520771.
It is an arithmetic number, because the mean of its divisors is an integer number (4714245900).
Almost surely, 272392833806 is an apocalyptic number.
72392833806 is an abundant number, since it is smaller than the sum of its proper divisors (78463034994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72392833806 is a wasteful number, since it uses less digits than its factorization.
72392833806 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2993344.
The product of its (nonzero) digits is 2612736, while the sum is 51.
The spelling of 72392833806 in words is "seventy-two billion, three hundred ninety-two million, eight hundred thirty-three thousand, eight hundred six".
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