Base | Representation |
---|---|
bin | 100100101011011011… |
… | …101001000010010000 |
3 | 10202122200202120210110 |
4 | 210223123221002100 |
5 | 1121124120400140 |
6 | 30031550201320 |
7 | 2562646065204 |
oct | 445333510220 |
9 | 122580676713 |
10 | 39383371920 |
11 | 1577a983262 |
12 | 77714b3240 |
13 | 39383b4289 |
14 | 1c98736b04 |
15 | 10577d2380 |
hex | 92b6e9090 |
39383371920 has 40 divisors (see below), whose sum is σ = 122088453696. Its totient is φ = 10502232448.
The previous prime is 39383371913. The next prime is 39383371949. The reversal of 39383371920 is 2917338393.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a self number, because there is not a number n which added to its sum of digits gives 39383371920.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82048452 + ... + 82048931.
Almost surely, 239383371920 is an apocalyptic number.
39383371920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
39383371920 is an abundant number, since it is smaller than the sum of its proper divisors (82705081776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39383371920 is a wasteful number, since it uses less digits than its factorization.
39383371920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164097399 (or 164097393 counting only the distinct ones).
The product of its (nonzero) digits is 734832, while the sum is 48.
The spelling of 39383371920 in words is "thirty-nine billion, three hundred eighty-three million, three hundred seventy-one thousand, nine hundred twenty".
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