Base | Representation |
---|---|
bin | 10101111011010000… |
… | …100000011001010000 |
3 | 2020202201212011202121 |
4 | 111323100200121100 |
5 | 341203421323130 |
6 | 14452043024024 |
7 | 1462261111201 |
oct | 257320403120 |
9 | 66681764677 |
10 | 23542761040 |
11 | 9a91302907 |
12 | 469050b014 |
13 | 22b2666746 |
14 | 11d4a155a8 |
15 | 92bcc2d7a |
hex | 57b420650 |
23542761040 has 20 divisors (see below), whose sum is σ = 54736919604. Its totient is φ = 9417104384.
The previous prime is 23542761013. The next prime is 23542761041. The reversal of 23542761040 is 4016724532.
It can be written as a sum of positive squares in 2 ways, for example, as 2805609024 + 20737152016 = 52968^2 + 144004^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a junction number, because it is equal to n+sod(n) for n = 23542760987 and 23542761005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23542761041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147142177 + ... + 147142336.
Almost surely, 223542761040 is an apocalyptic number.
23542761040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23542761040 is an abundant number, since it is smaller than the sum of its proper divisors (31194158564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23542761040 is a wasteful number, since it uses less digits than its factorization.
23542761040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 294284526 (or 294284520 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 34.
The spelling of 23542761040 in words is "twenty-three billion, five hundred forty-two million, seven hundred sixty-one thousand, forty".
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