Base | Representation |
---|---|
bin | 10101011110110011… |
… | …011011100110101000 |
3 | 2012112110120120020100 |
4 | 111132303123212220 |
5 | 334214214032232 |
6 | 14332431025400 |
7 | 1444403320434 |
oct | 253663334650 |
9 | 65473516210 |
10 | 23065377192 |
11 | 9866893300 |
12 | 457866b260 |
13 | 223779c7b0 |
14 | 118b4699c4 |
15 | 8eee25c7c |
hex | 55ecdb9a8 |
23065377192 has 144 divisors (see below), whose sum is σ = 73946183220. Its totient is φ = 6451822080.
The previous prime is 23065377191. The next prime is 23065377197. The reversal of 23065377192 is 29177356032.
23065377192 is a `hidden beast` number, since 2 + 30 + 65 + 377 + 192 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 22465812996 + 599564196 = 149886^2 + 24486^2 .
It is not an unprimeable number, because it can be changed into a prime (23065377191) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11428 + ... + 215084.
Almost surely, 223065377192 is an apocalyptic number.
23065377192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23065377192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36973091610).
23065377192 is an abundant number, since it is smaller than the sum of its proper divisors (50880806028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23065377192 is a wasteful number, since it uses less digits than its factorization.
23065377192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203704 (or 203686 counting only the distinct ones).
The product of its (nonzero) digits is 476280, while the sum is 45.
The spelling of 23065377192 in words is "twenty-three billion, sixty-five million, three hundred seventy-seven thousand, one hundred ninety-two".
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