Base | Representation |
---|---|
bin | 10101110000000010… |
… | …111100100001101000 |
3 | 2020021121220111100120 |
4 | 111300002330201220 |
5 | 340312243004442 |
6 | 14421243203240 |
7 | 1454515210431 |
oct | 256002744150 |
9 | 66247814316 |
10 | 23354656872 |
11 | 99a5105418 |
12 | 4639516520 |
13 | 22826b5bc1 |
14 | 11b7a4c488 |
15 | 91a5184ec |
hex | 5700bc868 |
23354656872 has 128 divisors (see below), whose sum is σ = 62196940800. Its totient is φ = 7292533248.
The previous prime is 23354656867. The next prime is 23354656879. The reversal of 23354656872 is 27865645332.
It is not an unprimeable number, because it can be changed into a prime (23354656879) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5536108 + ... + 5540324.
It is an arithmetic number, because the mean of its divisors is an integer number (485913600).
Almost surely, 223354656872 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 23354656872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31098470400).
23354656872 is an abundant number, since it is smaller than the sum of its proper divisors (38842283928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23354656872 is a wasteful number, since it uses less digits than its factorization.
23354656872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4455 (or 4451 counting only the distinct ones).
The product of its digits is 7257600, while the sum is 51.
The spelling of 23354656872 in words is "twenty-three billion, three hundred fifty-four million, six hundred fifty-six thousand, eight hundred seventy-two".
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