Base | Representation |
---|---|
bin | 10101011010111010… |
… | …001000100101100111 |
3 | 2012100220121100111100 |
4 | 111122322020211213 |
5 | 334101001303242 |
6 | 14322134211143 |
7 | 1442650663530 |
oct | 253272104547 |
9 | 65326540440 |
10 | 23000025447 |
11 | 9832a075a3 |
12 | 455a7b3ab3 |
13 | 222709a919 |
14 | 11828d7687 |
15 | 8e931754c |
hex | 55ae88967 |
23000025447 has 12 divisors (see below), whose sum is σ = 37968296080. Its totient is φ = 13142871648.
The previous prime is 23000025437. The next prime is 23000025467. The reversal of 23000025447 is 74452000032.
It is not a de Polignac number, because 23000025447 - 214 = 23000009063 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 23000025447.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23000025437) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182539822 + ... + 182539947.
Almost surely, 223000025447 is an apocalyptic number.
23000025447 is a deficient number, since it is larger than the sum of its proper divisors (14968270633).
23000025447 is a wasteful number, since it uses less digits than its factorization.
23000025447 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365079782 (or 365079779 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 27.
Adding to 23000025447 its reverse (74452000032), we get a palindrome (97452025479).
The spelling of 23000025447 in words is "twenty-three billion, twenty-five thousand, four hundred forty-seven".
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