Base | Representation |
---|---|
bin | 1010111010001100110010… |
… | …01110111100111111001001 |
3 | 10010221102021210010000200211 |
4 | 11131012121032330333021 |
5 | 11121022421033311100 |
6 | 123004500440201121 |
7 | 5024134436340031 |
oct | 535063116747711 |
9 | 103842253100624 |
10 | 23989963182025 |
11 | 770a0a4887815 |
12 | 28354ba1691a1 |
13 | 10503228a0909 |
14 | 5cd1985b28c1 |
15 | 2b9079b0e1ba |
hex | 15d1993bcfc9 |
23989963182025 has 81 divisors (see below), whose sum is σ = 32744064071199. Its totient is φ = 17431390824960.
The previous prime is 23989963182023. The next prime is 23989963182067. The reversal of 23989963182025 is 52028136998932.
The square root of 23989963182025 is 4897955.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 13 ways, for example, as 7815988812681 + 16173974369344 = 2795709^2 + 4021688^2 .
It is not a de Polignac number, because 23989963182025 - 21 = 23989963182023 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23989963182023) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 12073458082 + ... + 12073460068.
Almost surely, 223989963182025 is an apocalyptic number.
23989963182025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
23989963182025 is the 4897955-th square number.
23989963182025 is the 2448978-th centered octagonal number.
It is an amenable number.
23989963182025 is a deficient number, since it is larger than the sum of its proper divisors (8754100889174).
23989963182025 is an frugal number, since it uses more digits than its factorization.
23989963182025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4076 (or 2038 counting only the distinct ones).
The product of its (nonzero) digits is 100776960, while the sum is 67.
The spelling of 23989963182025 in words is "twenty-three trillion, nine hundred eighty-nine billion, nine hundred sixty-three million, one hundred eighty-two thousand, twenty-five".
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