Base | Representation |
---|---|
bin | 10101100001001010… |
… | …110010001101111000 |
3 | 2012122020020022222110 |
4 | 111201022302031320 |
5 | 334304343203220 |
6 | 14340405252320 |
7 | 1445364500121 |
oct | 254112621570 |
9 | 65566208873 |
10 | 23105053560 |
11 | 9887222796 |
12 | 4589a040a0 |
13 | 2242a81c34 |
14 | 1192837048 |
15 | 903661be0 |
hex | 5612b2378 |
23105053560 has 128 divisors (see below), whose sum is σ = 70272334080. Its totient is φ = 6076781568.
The previous prime is 23105053529. The next prime is 23105053589. The reversal of 23105053560 is 6535050132.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987859 + ... + 2995581.
It is an arithmetic number, because the mean of its divisors is an integer number (549002610).
Almost surely, 223105053560 is an apocalyptic number.
23105053560 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 23105053560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35136167040).
23105053560 is an abundant number, since it is smaller than the sum of its proper divisors (47167280520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23105053560 is a wasteful number, since it uses less digits than its factorization.
23105053560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8077 (or 8073 counting only the distinct ones).
The product of its (nonzero) digits is 13500, while the sum is 30.
The spelling of 23105053560 in words is "twenty-three billion, one hundred five million, fifty-three thousand, five hundred sixty".
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