Base | Representation |
---|---|
bin | 110010001011011100… |
… | …110010100111100110 |
3 | 12011001221012100002100 |
4 | 302023130302213212 |
5 | 1340321033003232 |
6 | 40430213552530 |
7 | 3615114353406 |
oct | 621334624746 |
9 | 164057170070 |
10 | 53879187942 |
11 | 209394403a8 |
12 | a538045746 |
13 | 51086419c8 |
14 | 28719d6806 |
15 | 1605203c7c |
hex | c8b7329e6 |
53879187942 has 24 divisors (see below), whose sum is σ = 118382443920. Its totient is φ = 17706774960.
The previous prime is 53879187911. The next prime is 53879187959. The reversal of 53879187942 is 24978197835.
53879187942 is a `hidden beast` number, since 5 + 387 + 91 + 87 + 94 + 2 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 53879187942.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21078217 + ... + 21080772.
It is an arithmetic number, because the mean of its divisors is an integer number (4932601830).
Almost surely, 253879187942 is an apocalyptic number.
53879187942 is an abundant number, since it is smaller than the sum of its proper divisors (64503255978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53879187942 is a wasteful number, since it uses less digits than its factorization.
53879187942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42159068 (or 42159065 counting only the distinct ones).
The product of its digits is 30481920, while the sum is 63.
The spelling of 53879187942 in words is "fifty-three billion, eight hundred seventy-nine million, one hundred eighty-seven thousand, nine hundred forty-two".
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