Base | Representation |
---|---|
bin | 10101100010101110… |
… | …100111000110101001 |
3 | 2012201001110211221021 |
4 | 111202232213012221 |
5 | 334333043104231 |
6 | 14343142212441 |
7 | 1446133101205 |
oct | 254256470651 |
9 | 65631424837 |
10 | 23131222441 |
11 | 989aa76868 |
12 | 4596724121 |
13 | 2248315192 |
14 | 11960c9b05 |
15 | 905ad0811 |
hex | 562ba71a9 |
23131222441 has 8 divisors (see below), whose sum is σ = 23446148544. Its totient is φ = 22817159280.
The previous prime is 23131222409. The next prime is 23131222447. The reversal of 23131222441 is 14422213132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23131222441 - 25 = 23131222409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23131222447) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161670 + ... + 269071.
It is an arithmetic number, because the mean of its divisors is an integer number (2930768568).
Almost surely, 223131222441 is an apocalyptic number.
It is an amenable number.
23131222441 is a deficient number, since it is larger than the sum of its proper divisors (314926103).
23131222441 is an equidigital number, since it uses as much as digits as its factorization.
23131222441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 431471.
The product of its digits is 2304, while the sum is 25.
Adding to 23131222441 its reverse (14422213132), we get a palindrome (37553435573).
The spelling of 23131222441 in words is "twenty-three billion, one hundred thirty-one million, two hundred twenty-two thousand, four hundred forty-one".
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