Base | Representation |
---|---|
bin | 1101100000011000100… |
… | …0100011100110000111 |
3 | 211011220122112012110111 |
4 | 3120012020203212013 |
5 | 12300144432441411 |
6 | 254332120333451 |
7 | 22522643102332 |
oct | 3300610434607 |
9 | 734818465414 |
10 | 232031140231 |
11 | 8a449590a20 |
12 | 38b76914287 |
13 | 18b5a4425a7 |
14 | b3321ad619 |
15 | 6080562721 |
hex | 3606223987 |
232031140231 has 16 divisors (see below), whose sum is σ = 253427879808. Its totient is φ = 210685082400.
The previous prime is 232031140169. The next prime is 232031140273. The reversal of 232031140231 is 132041130232.
It is a cyclic number.
It is not a de Polignac number, because 232031140231 - 221 = 232029043079 is a prime.
It is a super-2 number, since 2×2320311402312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (232031140291) 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, 50406376 + ... + 50410978.
It is an arithmetic number, because the mean of its divisors is an integer number (15839242488).
Almost surely, 2232031140231 is an apocalyptic number.
232031140231 is a deficient number, since it is larger than the sum of its proper divisors (21396739577).
232031140231 is a wasteful number, since it uses less digits than its factorization.
232031140231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9102.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 232031140231 its reverse (132041130232), we get a palindrome (364072270463).
Subtracting from 232031140231 its reverse (132041130232), we obtain a palindrome (99990009999).
The spelling of 232031140231 in words is "two hundred thirty-two billion, thirty-one million, one hundred forty thousand, two hundred thirty-one".
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