Base | Representation |
---|---|
bin | 10101101001010101… |
… | …010110101010101111 |
3 | 2012222210000001211112 |
4 | 111221111112222233 |
5 | 340044430321111 |
6 | 14402141342235 |
7 | 1451650045325 |
oct | 255125265257 |
9 | 65883001745 |
10 | 23242042031 |
11 | 99475881aa |
12 | 460786797b |
13 | 22652765c0 |
14 | 11a6ad5d15 |
15 | 9106c0e8b |
hex | 569556aaf |
23242042031 has 16 divisors (see below), whose sum is σ = 26595957024. Its totient is φ = 20120776704.
The previous prime is 23242041943. The next prime is 23242042037. The reversal of 23242042031 is 13024024232.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23242042031 is a prime.
It is a super-2 number, since 2×232420420312 (a number of 22 digits) contains 22 as substring.
It is a zygodrome in base 4.
It is a junction number, because it is equal to n+sod(n) for n = 23242041988 and 23242042006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23242042037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123266 + ... + 248351.
It is an arithmetic number, because the mean of its divisors is an integer number (1662247314).
Almost surely, 223242042031 is an apocalyptic number.
23242042031 is a deficient number, since it is larger than the sum of its proper divisors (3353914993).
23242042031 is a wasteful number, since it uses less digits than its factorization.
23242042031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 371930.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 23242042031 its reverse (13024024232), we get a palindrome (36266066263).
The spelling of 23242042031 in words is "twenty-three billion, two hundred forty-two million, forty-two thousand, thirty-one".
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