Base | Representation |
---|---|
bin | 10101100111011111… |
… | …010101011001010111 |
3 | 2012220121210020121021 |
4 | 111213133111121113 |
5 | 340014020310311 |
6 | 14355114302011 |
7 | 1451123061436 |
oct | 254737253127 |
9 | 65817706537 |
10 | 23211103831 |
11 | 9931076943 |
12 | 45b9427907 |
13 | 225ba33586 |
14 | 11a296111d |
15 | 90cb0e171 |
hex | 5677d5657 |
23211103831 has 8 divisors (see below), whose sum is σ = 23714415360. Its totient is φ = 22708186488.
The previous prime is 23211103829. The next prime is 23211103841. The reversal of 23211103831 is 13830111232.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 23211103831 - 21 = 23211103829 is a prime.
It is a super-2 number, since 2×232111038312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23211103796 and 23211103805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23211103841) 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, 22080 + ... + 216586.
It is an arithmetic number, because the mean of its divisors is an integer number (2964301920).
Almost surely, 223211103831 is an apocalyptic number.
23211103831 is a deficient number, since it is larger than the sum of its proper divisors (503311529).
23211103831 is a wasteful number, since it uses less digits than its factorization.
23211103831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197093.
The product of its (nonzero) digits is 864, while the sum is 25.
The spelling of 23211103831 in words is "twenty-three billion, two hundred eleven million, one hundred three thousand, eight hundred thirty-one".
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