Base | Representation |
---|---|
bin | 100100100001001011… |
… | …100100000010100000 |
3 | 10202012201010202002020 |
4 | 210201023210002200 |
5 | 1120301103304432 |
6 | 30002524021440 |
7 | 2555460162453 |
oct | 444113440240 |
9 | 122181122066 |
10 | 39211384992 |
11 | 156a18939aa |
12 | 7723991880 |
13 | 390b887770 |
14 | 1c7d96749a |
15 | 104765d22c |
hex | 9212e40a0 |
39211384992 has 96 divisors (see below), whose sum is σ = 110935786752. Its totient is φ = 12055440384.
The previous prime is 39211384987. The next prime is 39211385011. The reversal of 39211384992 is 29948311293.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644258 + ... + 1667934.
It is an arithmetic number, because the mean of its divisors is an integer number (1155581112).
Almost surely, 239211384992 is an apocalyptic number.
39211384992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 39211384992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55467893376).
39211384992 is an abundant number, since it is smaller than the sum of its proper divisors (71724401760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39211384992 is a wasteful number, since it uses less digits than its factorization.
39211384992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25030 (or 25022 counting only the distinct ones).
The product of its digits is 839808, while the sum is 51.
The spelling of 39211384992 in words is "thirty-nine billion, two hundred eleven million, three hundred eighty-four thousand, nine hundred ninety-two".
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