Base | Representation |
---|---|
bin | 1100010001111011101… |
… | …0110001001011101110 |
3 | 202011120000021010021110 |
4 | 3010132322301023232 |
5 | 11424032330313130 |
6 | 240530320412450 |
7 | 21146041300305 |
oct | 3043672611356 |
9 | 664500233243 |
10 | 210972119790 |
11 | 815222971a3 |
12 | 34a7a177126 |
13 | 16b82534653 |
14 | a2d53b543c |
15 | 574b857ab0 |
hex | 311eeb12ee |
210972119790 has 32 divisors (see below), whose sum is σ = 506554069536. Its totient is φ = 56234678400.
The previous prime is 210972119759. The next prime is 210972119791. The reversal of 210972119790 is 97911279012.
It is a super-2 number, since 2×2109721197902 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210972119791) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464661 + ... + 1602240.
It is an arithmetic number, because the mean of its divisors is an integer number (15829814673).
Almost surely, 2210972119790 is an apocalyptic number.
210972119790 is an abundant number, since it is smaller than the sum of its proper divisors (295581949746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210972119790 is a wasteful number, since it uses less digits than its factorization.
210972119790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3069204.
The product of its (nonzero) digits is 142884, while the sum is 48.
The spelling of 210972119790 in words is "two hundred ten billion, nine hundred seventy-two million, one hundred nineteen thousand, seven hundred ninety".
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