Base | Representation |
---|---|
bin | 10101101001011010… |
… | …011100110010010000 |
3 | 2012222212111221011202 |
4 | 111221122130302100 |
5 | 340100301042213 |
6 | 14402230130332 |
7 | 1451664310610 |
oct | 255132346220 |
9 | 65885457152 |
10 | 23243377808 |
11 | 994830a852 |
12 | 46081b09a8 |
13 | 22656235c1 |
14 | 11a6d62a40 |
15 | 910886b58 |
hex | 56969cc90 |
23243377808 has 40 divisors (see below), whose sum is σ = 51561705792. Its totient is φ = 9943210368.
The previous prime is 23243377777. The next prime is 23243377813. The reversal of 23243377808 is 80877334232.
It is a super-2 number, since 2×232433778082 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128435 + ... + 250962.
Almost surely, 223243377808 is an apocalyptic number.
23243377808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
23243377808 is an abundant number, since it is smaller than the sum of its proper divisors (28318327984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23243377808 is a wasteful number, since it uses less digits than its factorization.
23243377808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379959 (or 379953 counting only the distinct ones).
The product of its (nonzero) digits is 1354752, while the sum is 47.
The spelling of 23243377808 in words is "twenty-three billion, two hundred forty-three million, three hundred seventy-seven thousand, eight hundred eight".
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