Base | Representation |
---|---|
bin | 10110010101010111… |
… | …100111000000000000 |
3 | 2021220021011102101120 |
4 | 112111113213000000 |
5 | 343103043040340 |
6 | 15003332232240 |
7 | 1506160461240 |
oct | 262527470000 |
9 | 67807142346 |
10 | 23980830720 |
11 | a196610070 |
12 | 479316b680 |
13 | 2352347082 |
14 | 1236c89b20 |
15 | 9554a64d0 |
hex | 5955e7000 |
23980830720 has 832 divisors, whose sum is σ = 98965103616. Its totient is φ = 4812963840.
The previous prime is 23980830707. The next prime is 23980830823. The reversal of 23980830720 is 2703808932.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175042492 + ... + 175042628.
Almost surely, 223980830720 is an apocalyptic number.
23980830720 is a gapful number since it is divisible by the number (20) 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 23980830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49482551808).
23980830720 is an abundant number, since it is smaller than the sum of its proper divisors (74984272896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23980830720 is a wasteful number, since it uses less digits than its factorization.
23980830720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224 (or 202 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 23980830720 in words is "twenty-three billion, nine hundred eighty million, eight hundred thirty thousand, seven hundred twenty".
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