Base | Representation |
---|---|
bin | 10101100010101011… |
… | …011100100100010000 |
3 | 2012200222220200221121 |
4 | 111202223130210100 |
5 | 334332340032343 |
6 | 14343112332024 |
7 | 1446123044443 |
oct | 254253344420 |
9 | 65628820847 |
10 | 23130392848 |
11 | 989a55a552 |
12 | 45963a4014 |
13 | 22480b46b4 |
14 | 1195d5165a |
15 | 9059b9aed |
hex | 562adc910 |
23130392848 has 80 divisors (see below), whose sum is σ = 48951402624. Its totient is φ = 10546145280.
The previous prime is 23130392827. The next prime is 23130392849. The reversal of 23130392848 is 84829303132.
It is a super-2 number, since 2×231303928482 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23130392849) 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, 1101261 + ... + 1122067.
Almost surely, 223130392848 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 23130392848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24475701312).
23130392848 is an abundant number, since it is smaller than the sum of its proper divisors (25821009776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23130392848 is a wasteful number, since it uses less digits than its factorization.
23130392848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20960 (or 20954 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The spelling of 23130392848 in words is "twenty-three billion, one hundred thirty million, three hundred ninety-two thousand, eight hundred forty-eight".
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