Base | Representation |
---|---|
bin | 10101100111100000… |
… | …100000111110001111 |
3 | 2012220122100222020110 |
4 | 111213200200332033 |
5 | 340014110212031 |
6 | 14355125051103 |
7 | 1451125521105 |
oct | 254740407617 |
9 | 65818328213 |
10 | 23211413391 |
11 | 9931268481 |
12 | 45b9556a93 |
13 | 225bb1144a |
14 | 11a2a01c75 |
15 | 90cb70c46 |
hex | 567820f8f |
23211413391 has 12 divisors (see below), whose sum is σ = 31378333128. Its totient is φ = 15262288704.
The previous prime is 23211413371. The next prime is 23211413411. The reversal of 23211413391 is 19331411232.
It is an interprime number because it is at equal distance from previous prime (23211413371) and next prime (23211413411).
It is not a de Polignac number, because 23211413391 - 25 = 23211413359 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23211413311) 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, 709960 + ... + 741933.
It is an arithmetic number, because the mean of its divisors is an integer number (2614861094).
Almost surely, 223211413391 is an apocalyptic number.
23211413391 is a deficient number, since it is larger than the sum of its proper divisors (8166919737).
23211413391 is an equidigital number, since it uses as much as digits as its factorization.
23211413391 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1452042 (or 1451969 counting only the distinct ones).
The product of its digits is 3888, while the sum is 30.
The spelling of 23211413391 in words is "twenty-three billion, two hundred eleven million, four hundred thirteen thousand, three hundred ninety-one".
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