Base | Representation |
---|---|
bin | 1011101010100011… |
… | …0001111011010000 |
3 | 22002020000002211022 |
4 | 2322220301323100 |
5 | 22403100034212 |
6 | 1234413335012 |
7 | 140411130560 |
oct | 27250617320 |
9 | 8066002738 |
10 | 3131252432 |
11 | 1367568330 |
12 | 734797468 |
13 | 3ab94b0b9 |
14 | 219c10da0 |
15 | 134d6d772 |
hex | baa31ed0 |
3131252432 has 80 divisors (see below), whose sum is σ = 7739837952. Its totient is φ = 1191576960.
The previous prime is 3131252429. The next prime is 3131252447. The reversal of 3131252432 is 2342521313.
It is a happy number.
3131252432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 23423 + ... + 82529.
Almost surely, 23131252432 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3131252432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3869918976).
3131252432 is an abundant number, since it is smaller than the sum of its proper divisors (4608585520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131252432 is a wasteful number, since it uses less digits than its factorization.
3131252432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59176 (or 59170 counting only the distinct ones).
The product of its digits is 4320, while the sum is 26.
The square root of 3131252432 is about 55957.5949447436. The cubic root of 3131252432 is about 1462.9832713848.
Adding to 3131252432 its reverse (2342521313), we get a palindrome (5473773745).
The spelling of 3131252432 in words is "three billion, one hundred thirty-one million, two hundred fifty-two thousand, four hundred thirty-two".
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