Base | Representation |
---|---|
bin | 1010100001001011000100… |
… | …00100000100101101111001 |
3 | 10000220012200112200202111211 |
4 | 11100211202010010231321 |
5 | 11012430312243432100 |
6 | 121105443502323121 |
7 | 4605043025055556 |
oct | 520454204045571 |
9 | 100805615622454 |
10 | 23130044124025 |
11 | 740843a9aa983 |
12 | 2716910b894a1 |
13 | cba1ccb97147 |
14 | 59d700427a2d |
15 | 2a19eb2571ba |
hex | 150962104b79 |
23130044124025 has 48 divisors (see below), whose sum is σ = 30766396918320. Its totient is φ = 17188037222400.
The previous prime is 23130044124007. The next prime is 23130044124029. The reversal of 23130044124025 is 52042144003132.
It can be written as a sum of positive squares in 24 ways, for example, as 9440606518249 + 13689437605776 = 3072557^2 + 3699924^2 .
It is not a de Polignac number, because 23130044124025 - 213 = 23130044115833 is a prime.
It is not an unprimeable number, because it can be changed into a prime (23130044124029) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19898167 + ... + 21028483.
It is an arithmetic number, because the mean of its divisors is an integer number (640966602465).
Almost surely, 223130044124025 is an apocalyptic number.
23130044124025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23130044124025 is a deficient number, since it is larger than the sum of its proper divisors (7636352794295).
23130044124025 is a wasteful number, since it uses less digits than its factorization.
23130044124025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1130974 (or 1130969 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 31.
Adding to 23130044124025 its reverse (52042144003132), we get a palindrome (75172188127157).
The spelling of 23130044124025 in words is "twenty-three trillion, one hundred thirty billion, forty-four million, one hundred twenty-four thousand, twenty-five".
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