Base | Representation |
---|---|
bin | 110001011101001011… |
… | …011010110011000010 |
3 | 12002001211102220111220 |
4 | 301131023122303002 |
5 | 1332223314210421 |
6 | 40221203015510 |
7 | 3556640022630 |
oct | 613513326302 |
9 | 162054386456 |
10 | 53102881986 |
11 | 20580213230 |
12 | a36006a596 |
13 | 501386677b |
14 | 27da878350 |
15 | 15abeac3c6 |
hex | c5d2dacc2 |
53102881986 has 32 divisors (see below), whose sum is σ = 132412382208. Its totient is φ = 13792956240.
The previous prime is 53102881967. The next prime is 53102881987. The reversal of 53102881986 is 68918820135.
53102881986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (53102881987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57470190 + ... + 57471113.
It is an arithmetic number, because the mean of its divisors is an integer number (4137886944).
Almost surely, 253102881986 is an apocalyptic number.
53102881986 is an abundant number, since it is smaller than the sum of its proper divisors (79309500222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53102881986 is a wasteful number, since it uses less digits than its factorization.
53102881986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114941326.
The product of its (nonzero) digits is 829440, while the sum is 51.
The spelling of 53102881986 in words is "fifty-three billion, one hundred two million, eight hundred eighty-one thousand, nine hundred eighty-six".
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