Base | Representation |
---|---|
bin | 10101011001110001… |
… | …101110011100111001 |
3 | 2012022120212222212201 |
4 | 111121301232130321 |
5 | 334031121402100 |
6 | 14320215310201 |
7 | 1442330436232 |
oct | 253161563471 |
9 | 65276788781 |
10 | 22981044025 |
11 | 9823222575 |
12 | 455437b361 |
13 | 2223183004 |
14 | 1180196089 |
15 | 8e781836a |
hex | 559c6e739 |
22981044025 has 9 divisors (see below), whose sum is σ = 28497434511. Its totient is φ = 18384228840.
The previous prime is 22981044017. The next prime is 22981044049. The reversal of 22981044025 is 52044018922.
The square root of 22981044025 is 151595.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 8273175849 + 14707868176 = 90957^2 + 121276^2 .
It is not a de Polignac number, because 22981044025 - 23 = 22981044017 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 742816 + ... + 773134.
Almost surely, 222981044025 is an apocalyptic number.
22981044025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
22981044025 is the 151595-th square number.
22981044025 is the 75798-th centered octagonal number.
It is an amenable number.
22981044025 is a deficient number, since it is larger than the sum of its proper divisors (5516390486).
22981044025 is an frugal number, since it uses more digits than its factorization.
22981044025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60648 (or 30324 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 37.
The spelling of 22981044025 in words is "twenty-two billion, nine hundred eighty-one million, forty-four thousand, twenty-five".
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