Base | Representation |
---|---|
bin | 10110010011000110… |
… | …100011101001101000 |
3 | 2021210121121120110001 |
4 | 112103012203221220 |
5 | 343013324243440 |
6 | 14555453232344 |
7 | 1505216331322 |
oct | 262306435150 |
9 | 67717546401 |
10 | 23942806120 |
11 | a1770a9682 |
12 | 47824926b4 |
13 | 23474c26cc |
14 | 1231bcc612 |
15 | 951e94b9a |
hex | 5931a3a68 |
23942806120 has 96 divisors (see below), whose sum is σ = 57736200600. Its totient is φ = 8933507072.
The previous prime is 23942806081. The next prime is 23942806123. The reversal of 23942806120 is 2160824932.
It is a happy number.
It can be written as a sum of positive squares in 12 ways, for example, as 1951695684 + 21991110436 = 44178^2 + 148294^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 23942806120.
It is not an unprimeable number, because it can be changed into a prime (23942806123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297116 + ... + 1315444.
Almost surely, 223942806120 is an apocalyptic number.
23942806120 is a gapful number since it is divisible by the number (20) 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 23942806120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28868100300).
23942806120 is an abundant number, since it is smaller than the sum of its proper divisors (33793394480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23942806120 is a wasteful number, since it uses less digits than its factorization.
23942806120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18487 (or 18466 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 23942806120 in words is "twenty-three billion, nine hundred forty-two million, eight hundred six thousand, one hundred twenty".
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