Base | Representation |
---|---|
bin | 10101100110010001… |
… | …111110001110010000 |
3 | 2012212012121220122220 |
4 | 111212101332032100 |
5 | 334443322330244 |
6 | 14353111501040 |
7 | 1450455515160 |
oct | 254621761620 |
9 | 65765556586 |
10 | 23190823824 |
11 | 9920685203 |
12 | 45b2687780 |
13 | 225778287c |
14 | 119dda25a0 |
15 | 90ae55319 |
hex | 56647e390 |
23190823824 has 160 divisors (see below), whose sum is σ = 72010629120. Its totient is φ = 6287694336.
The previous prime is 23190823823. The next prime is 23190823897. The reversal of 23190823824 is 42832809132.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (23190823823) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969642 + ... + 993270.
It is an arithmetic number, because the mean of its divisors is an integer number (450066432).
Almost surely, 223190823824 is an apocalyptic number.
23190823824 is a gapful number since it is divisible by the number (24) 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 23190823824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36005314560).
23190823824 is an abundant number, since it is smaller than the sum of its proper divisors (48819805296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23190823824 is a wasteful number, since it uses less digits than its factorization.
23190823824 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23797 (or 23791 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 42.
The spelling of 23190823824 in words is "twenty-three billion, one hundred ninety million, eight hundred twenty-three thousand, eight hundred twenty-four".
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