Base | Representation |
---|---|
bin | 101110110101011000… |
… | …000111111110000110 |
3 | 11210210122001211011000 |
4 | 232311120013332012 |
5 | 1310442113443304 |
6 | 35033554354130 |
7 | 3430113614442 |
oct | 566530077606 |
9 | 153718054130 |
10 | 50287640454 |
11 | 1a366075637 |
12 | 98b528b946 |
13 | 4985530c8c |
14 | 2610a07822 |
15 | 1494c61939 |
hex | bb5607f86 |
50287640454 has 64 divisors (see below), whose sum is σ = 112793587200. Its totient is φ = 16606573344.
The previous prime is 50287640441. The next prime is 50287640467. The reversal of 50287640454 is 45404678205.
50287640454 is a `hidden beast` number, since 502 + 87 + 64 + 0 + 4 + 5 + 4 = 666.
It is an interprime number because it is at equal distance from previous prime (50287640441) and next prime (50287640467).
It is a super-2 number, since 2×502876404542 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3648544 + ... + 3662300.
It is an arithmetic number, because the mean of its divisors is an integer number (1762399800).
Almost surely, 250287640454 is an apocalyptic number.
50287640454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.
50287640454 is an abundant number, since it is smaller than the sum of its proper divisors (62505946746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50287640454 is a wasteful number, since it uses less digits than its factorization.
50287640454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14394 (or 14388 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 45.
The spelling of 50287640454 in words is "fifty billion, two hundred eighty-seven million, six hundred forty thousand, four hundred fifty-four".
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