Base | Representation |
---|---|
bin | 10110001001011110… |
… | …011010100010111101 |
3 | 2021101100200121102002 |
4 | 112021132122202331 |
5 | 342201002210000 |
6 | 14531443312045 |
7 | 1501215420350 |
oct | 261136324275 |
9 | 67340617362 |
10 | 23781288125 |
11 | a0a3a0a831 |
12 | 473837b625 |
13 | 231cbc002a |
14 | 1218586297 |
15 | 942bdc8d5 |
hex | 58979a8bd |
23781288125 has 20 divisors (see below), whose sum is σ = 33962403552. Its totient is φ = 16307166000.
The previous prime is 23781288119. The next prime is 23781288211. The reversal of 23781288125 is 52188218732.
It is not a de Polignac number, because 23781288125 - 224 = 23764510909 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 23781288125.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2713487 + ... + 2722236.
Almost surely, 223781288125 is an apocalyptic number.
23781288125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23781288125 is a deficient number, since it is larger than the sum of its proper divisors (10181115427).
23781288125 is an frugal number, since it uses more digits than its factorization.
23781288125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5435750 (or 5435735 counting only the distinct ones).
The product of its digits is 430080, while the sum is 47.
The spelling of 23781288125 in words is "twenty-three billion, seven hundred eighty-one million, two hundred eighty-eight thousand, one hundred twenty-five".
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