Base | Representation |
---|---|
bin | 10110010101011000… |
… | …100001100000110100 |
3 | 2021220021121121011011 |
4 | 112111120201200310 |
5 | 343103123223023 |
6 | 15003341322004 |
7 | 1506162510052 |
oct | 262530414064 |
9 | 67807547134 |
10 | 23981070388 |
11 | a196764140 |
12 | 4793266304 |
13 | 23523cc1a2 |
14 | 1236d0d1d2 |
15 | 95550250d |
hex | 595621834 |
23981070388 has 24 divisors (see below), whose sum is σ = 45802643040. Its totient is φ = 10895581920.
The previous prime is 23981070329. The next prime is 23981070389. The reversal of 23981070388 is 88307018932.
It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23981070389) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22803 + ... + 220186.
It is an arithmetic number, because the mean of its divisors is an integer number (1908443460).
Almost surely, 223981070388 is an apocalyptic number.
It is an amenable number.
23981070388 is a deficient number, since it is larger than the sum of its proper divisors (21821572652).
23981070388 is a wasteful number, since it uses less digits than its factorization.
23981070388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 245247 (or 245245 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 49.
The spelling of 23981070388 in words is "twenty-three billion, nine hundred eighty-one million, seventy thousand, three hundred eighty-eight".
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