Base | Representation |
---|---|
bin | 1001100010101000011… |
… | …0001001111100010000 |
3 | 120200002112000110102220 |
4 | 2120222012021330100 |
5 | 10141144220421104 |
6 | 203145043341040 |
7 | 14561652425625 |
oct | 2305206117420 |
9 | 520075013386 |
10 | 163915013904 |
11 | 63574830044 |
12 | 27926981780 |
13 | 125c33a35b5 |
14 | 7d0d86434c |
15 | 43e55267d9 |
hex | 262a189f10 |
163915013904 has 40 divisors (see below), whose sum is σ = 423475693440. Its totient is φ = 54634651008.
The previous prime is 163915013893. The next prime is 163915013909. The reversal of 163915013904 is 409310519361.
It is not an unprimeable number, because it can be changed into a prime (163915013909) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656854 + ... + 871370.
It is an arithmetic number, because the mean of its divisors is an integer number (10586892336).
Almost surely, 2163915013904 is an apocalyptic number.
It is an amenable number.
163915013904 is an abundant number, since it is smaller than the sum of its proper divisors (259560679536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163915013904 is a wasteful number, since it uses less digits than its factorization.
163915013904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230447 (or 230441 counting only the distinct ones).
The product of its (nonzero) digits is 87480, while the sum is 42.
The spelling of 163915013904 in words is "one hundred sixty-three billion, nine hundred fifteen million, thirteen thousand, nine hundred four".
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