Base | Representation |
---|---|
bin | 10101110101110100… |
… | …011000111000000100 |
3 | 2020112101010211211010 |
4 | 111311310120320010 |
5 | 341012041113012 |
6 | 14435023042220 |
7 | 1460102332110 |
oct | 256564307004 |
9 | 66471124733 |
10 | 23451504132 |
11 | 9a44843181 |
12 | 4665a40370 |
13 | 2299794684 |
14 | 11c685c740 |
15 | 923c98c3c |
hex | 575d18e04 |
23451504132 has 48 divisors (see below), whose sum is σ = 64227551360. Its totient is φ = 6519336192.
The previous prime is 23451504103. The next prime is 23451504133. The reversal of 23451504132 is 23140515432.
It is a self number, because there is not a number n which added to its sum of digits gives 23451504132.
It is not an unprimeable number, because it can be changed into a prime (23451504133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3769657 + ... + 3775872.
Almost surely, 223451504132 is an apocalyptic number.
It is an amenable number.
23451504132 is an abundant number, since it is smaller than the sum of its proper divisors (40776047228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23451504132 is a wasteful number, since it uses less digits than its factorization.
23451504132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7545580 (or 7545578 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
The spelling of 23451504132 in words is "twenty-three billion, four hundred fifty-one million, five hundred four thousand, one hundred thirty-two".
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