Base | Representation |
---|---|
bin | 101110111101010101… |
… | …000001011100010111 |
3 | 11211010221002110210200 |
4 | 232331111001130113 |
5 | 1311230241420030 |
6 | 35055121551543 |
7 | 3433323545145 |
oct | 567525013427 |
9 | 154127073720 |
10 | 50421045015 |
11 | 1a424402440 |
12 | 9931aa55b3 |
13 | 49a706c2a3 |
14 | 2624612595 |
15 | 14a1813d60 |
hex | bbd541717 |
50421045015 has 48 divisors (see below), whose sum is σ = 95473437696. Its totient is φ = 24412766400.
The previous prime is 50421044983. The next prime is 50421045019. The reversal of 50421045015 is 51054012405.
50421045015 is a `hidden beast` number, since 50 + 4 + 2 + 104 + 501 + 5 = 666.
It is not a de Polignac number, because 50421045015 - 25 = 50421044983 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 50421045015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50421045019) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 289810 + ... + 429920.
It is an arithmetic number, because the mean of its divisors is an integer number (1989029952).
Almost surely, 250421045015 is an apocalyptic number.
50421045015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
50421045015 is a deficient number, since it is larger than the sum of its proper divisors (45052392681).
50421045015 is a wasteful number, since it uses less digits than its factorization.
50421045015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 140860 (or 140857 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The spelling of 50421045015 in words is "fifty billion, four hundred twenty-one million, forty-five thousand, fifteen".
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