Base | Representation |
---|---|
bin | 10101100011011010… |
… | …111001011011111000 |
3 | 2012201212022200001220 |
4 | 111203122321123320 |
5 | 334344031104424 |
6 | 14344235112040 |
7 | 1446333553005 |
oct | 254332713370 |
9 | 65655280056 |
10 | 23142831864 |
11 | 98a6586129 |
12 | 459a5a2620 |
13 | 224a84b469 |
14 | 119786c8ac |
15 | 906b25579 |
hex | 5636b96f8 |
23142831864 has 32 divisors (see below), whose sum is σ = 58418805120. Its totient is φ = 7639380576.
The previous prime is 23142831847. The next prime is 23142831883. The reversal of 23142831864 is 46813824132.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678522 + ... + 4683465.
It is an arithmetic number, because the mean of its divisors is an integer number (1825587660).
Almost surely, 223142831864 is an apocalyptic number.
23142831864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
23142831864 is an abundant number, since it is smaller than the sum of its proper divisors (35275973256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23142831864 is a wasteful number, since it uses less digits than its factorization.
23142831864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9362099 (or 9362095 counting only the distinct ones).
The product of its digits is 221184, while the sum is 42.
The spelling of 23142831864 in words is "twenty-three billion, one hundred forty-two million, eight hundred thirty-one thousand, eight hundred sixty-four".
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