Base | Representation |
---|---|
bin | 11101000011111001… |
… | …111110000110101100 |
3 | 2222112122220112022010 |
4 | 131003321332012230 |
5 | 1002401213304012 |
6 | 22200202521220 |
7 | 2153156654565 |
oct | 350371760654 |
9 | 88478815263 |
10 | 31204041132 |
11 | 1226295aa50 |
12 | 606a206210 |
13 | 2c33972a84 |
14 | 172030b16c |
15 | c296b1c3c |
hex | 743e7e1ac |
31204041132 has 48 divisors (see below), whose sum is σ = 81990687744. Its totient is φ = 9150744000.
The previous prime is 31204041103. The next prime is 31204041133. The reversal of 31204041132 is 23114040213.
It is a junction number, because it is equal to n+sod(n) for n = 31204041099 and 31204041108.
It is not an unprimeable number, because it can be changed into a prime (31204041133) 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, 3808719 + ... + 3816902.
It is an arithmetic number, because the mean of its divisors is an integer number (1708139328).
Almost surely, 231204041132 is an apocalyptic number.
It is an amenable number.
31204041132 is an abundant number, since it is smaller than the sum of its proper divisors (50786646612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31204041132 is a wasteful number, since it uses less digits than its factorization.
31204041132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7625670 (or 7625668 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 31204041132 its reverse (23114040213), we get a palindrome (54318081345).
The spelling of 31204041132 in words is "thirty-one billion, two hundred four million, forty-one thousand, one hundred thirty-two".
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