Base | Representation |
---|---|
bin | 10110111010100100110111… |
… | …11111000000000011100110 |
3 | 20121102100102111201211122200 |
4 | 23131102123333000003212 |
5 | 23101102110331103304 |
6 | 255101215130435330 |
7 | 13420433151544200 |
oct | 1335223377000346 |
9 | 217370374654580 |
10 | 50391173300454 |
11 | 1506885a6a6478 |
12 | 579a191b92b46 |
13 | 2216b3747a67c |
14 | c62d353c7770 |
15 | 5c5bcb6aee39 |
hex | 2dd49bfc00e6 |
50391173300454 has 144 divisors (see below), whose sum is σ = 128254431745440. Its totient is φ = 14256163192320.
The previous prime is 50391173300443. The next prime is 50391173300477. The reversal of 50391173300454 is 45400337119305.
50391173300454 is a `hidden beast` number, since 50 + 3 + 9 + 117 + 3 + 30 + 0 + 454 = 666.
It is a super-2 number, since 2×503911733004542 (a number of 28 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 71 ways as a sum of consecutive naturals, for example, 149133559 + ... + 149471069.
It is an arithmetic number, because the mean of its divisors is an integer number (890655776010).
Almost surely, 250391173300454 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50391173300454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64127215872720).
50391173300454 is an abundant number, since it is smaller than the sum of its proper divisors (77863258444986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50391173300454 is a wasteful number, since it uses less digits than its factorization.
50391173300454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339195 (or 339185 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 45.
The spelling of 50391173300454 in words is "fifty trillion, three hundred ninety-one billion, one hundred seventy-three million, three hundred thousand, four hundred fifty-four".
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