Base | Representation |
---|---|
bin | 11101010010000111… |
… | …010010101010011000 |
3 | 10000011021110010201110 |
4 | 131102013102222120 |
5 | 1003343224223412 |
6 | 22240000020320 |
7 | 2162113053105 |
oct | 352207225230 |
9 | 100137403643 |
10 | 31442414232 |
11 | 12375472209 |
12 | 61160016a0 |
13 | 2c71174248 |
14 | 1743c3baac |
15 | c4059ad3c |
hex | 7521d2a98 |
31442414232 has 64 divisors (see below), whose sum is σ = 81320772960. Its totient is φ = 10123904000.
The previous prime is 31442414203. The next prime is 31442414279. The reversal of 31442414232 is 23241424413.
It is a super-2 number, since 2×314424142322 (a number of 22 digits) contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 31442414232.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58803 + ... + 257570.
Almost surely, 231442414232 is an apocalyptic number.
It is an amenable number.
31442414232 is an abundant number, since it is smaller than the sum of its proper divisors (49878358728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31442414232 is a wasteful number, since it uses less digits than its factorization.
31442414232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316524 (or 316520 counting only the distinct ones).
The product of its digits is 18432, while the sum is 30.
Adding to 31442414232 its reverse (23241424413), we get a palindrome (54683838645).
The spelling of 31442414232 in words is "thirty-one billion, four hundred forty-two million, four hundred fourteen thousand, two hundred thirty-two".
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