Base | Representation |
---|---|
bin | 10101100001001110… |
… | …101000001110111000 |
3 | 2012122022010112020221 |
4 | 111201032220032320 |
5 | 334310122424430 |
6 | 14340443025424 |
7 | 1445406165013 |
oct | 254116501670 |
9 | 65568115227 |
10 | 23106061240 |
11 | 9887850889 |
12 | 458a20b274 |
13 | 22430457b2 |
14 | 1192a1a37a |
15 | 9037b057a |
hex | 5613a83b8 |
23106061240 has 64 divisors (see below), whose sum is σ = 52660692000. Its totient is φ = 9123144192.
The previous prime is 23106061169. The next prime is 23106061243. The reversal of 23106061240 is 4216060132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23106061243) 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, 5140434 + ... + 5144926.
Almost surely, 223106061240 is an apocalyptic number.
23106061240 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 23106061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26330346000).
23106061240 is an abundant number, since it is smaller than the sum of its proper divisors (29554630760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23106061240 is a wasteful number, since it uses less digits than its factorization.
23106061240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6136 (or 6132 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
The spelling of 23106061240 in words is "twenty-three billion, one hundred six million, sixty-one thousand, two hundred forty".
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