Base | Representation |
---|---|
bin | 110001100010010011… |
… | …100000101101101110 |
3 | 12002021211021112120200 |
4 | 301202103200231232 |
5 | 1332412323430304 |
6 | 40233514254330 |
7 | 3562033046361 |
oct | 614223405556 |
9 | 162254245520 |
10 | 53188889454 |
11 | 20614817988 |
12 | a384a273a6 |
13 | 502861b36c |
14 | 28080660d8 |
15 | 15b47eae39 |
hex | c624e0b6e |
53188889454 has 48 divisors (see below), whose sum is σ = 115494567552. Its totient is φ = 17690918544.
The previous prime is 53188889447. The next prime is 53188889477. The reversal of 53188889454 is 45498888135.
53188889454 is a `hidden beast` number, since 531 + 8 + 8 + 8 + 8 + 94 + 5 + 4 = 666.
It is a super-2 number, since 2×531888894542 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 53188889391 and 53188889400.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26239189 + ... + 26241215.
It is an arithmetic number, because the mean of its divisors is an integer number (2406136824).
Almost surely, 253188889454 is an apocalyptic number.
53188889454 is an abundant number, since it is smaller than the sum of its proper divisors (62305678098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53188889454 is a wasteful number, since it uses less digits than its factorization.
53188889454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4501 (or 4498 counting only the distinct ones).
The product of its digits is 44236800, while the sum is 63.
The spelling of 53188889454 in words is "fifty-three billion, one hundred eighty-eight million, eight hundred eighty-nine thousand, four hundred fifty-four".
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