Base | Representation |
---|---|
bin | 110010000011010010… |
… | …000101010011110101 |
3 | 12010201101100202110111 |
4 | 302003102011103311 |
5 | 1340030443210224 |
6 | 40404441023021 |
7 | 3611531564341 |
oct | 620322052365 |
9 | 163641322414 |
10 | 53742163189 |
11 | 20879060700 |
12 | a4ba184a71 |
13 | 50b6136980 |
14 | 285b728621 |
15 | 15e8188d94 |
hex | c834854f5 |
53742163189 has 96 divisors (see below), whose sum is σ = 71602241760. Its totient is φ = 39852933120.
The previous prime is 53742163183. The next prime is 53742163201. The reversal of 53742163189 is 98136124735.
It can be written as a sum of positive squares in 16 ways, for example, as 12874306225 + 40867856964 = 113465^2 + 202158^2 .
It is not a de Polignac number, because 53742163189 - 211 = 53742161141 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53742163183) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28692157 + ... + 28694029.
It is an arithmetic number, because the mean of its divisors is an integer number (745856685).
Almost surely, 253742163189 is an apocalyptic number.
It is an amenable number.
53742163189 is a deficient number, since it is larger than the sum of its proper divisors (17860078571).
53742163189 is a wasteful number, since it uses less digits than its factorization.
53742163189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1991 (or 1980 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 49.
The spelling of 53742163189 in words is "fifty-three billion, seven hundred forty-two million, one hundred sixty-three thousand, one hundred eighty-nine".
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