Base | Representation |
---|---|
bin | 10101011111110001… |
… | …001110010100100100 |
3 | 2012120121001112102200 |
4 | 111133301032110210 |
5 | 334232340410331 |
6 | 14334210134500 |
7 | 1444661104443 |
oct | 253761162444 |
9 | 65517045380 |
10 | 23081575716 |
11 | 9874a47511 |
12 | 4581b81430 |
13 | 223ac51814 |
14 | 118d684d5a |
15 | 9015755e6 |
hex | 55fc4e524 |
23081575716 has 216 divisors, whose sum is σ = 64779198120. Its totient is φ = 6919471104.
The previous prime is 23081575709. The next prime is 23081575739. The reversal of 23081575716 is 61757518032.
It is a happy number.
23081575716 is a `hidden beast` number, since 2 + 3 + 0 + 8 + 1 + 575 + 71 + 6 = 666.
It can be written as a sum of positive squares in 12 ways, for example, as 74753316 + 23006822400 = 8646^2 + 151680^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34093570 + ... + 34094246.
It is an arithmetic number, because the mean of its divisors is an integer number (299903695).
Almost surely, 223081575716 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23081575716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32389599060).
23081575716 is an abundant number, since it is smaller than the sum of its proper divisors (41697622404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23081575716 is a wasteful number, since it uses less digits than its factorization.
23081575716 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863 (or 841 counting only the distinct ones).
The product of its (nonzero) digits is 352800, while the sum is 45.
The spelling of 23081575716 in words is "twenty-three billion, eighty-one million, five hundred seventy-five thousand, seven hundred sixteen".
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