Base | Representation |
---|---|
bin | 1100100011100110101… |
… | …10001110000100101100 |
3 | 1112020121020022001212212 |
4 | 12101303112032010230 |
5 | 24032033033344002 |
6 | 530110323345552 |
7 | 43112166635204 |
oct | 6216326160454 |
9 | 1466536261785 |
10 | 431431934252 |
11 | 156a73096870 |
12 | 6b7458222b8 |
13 | 318b75833c7 |
14 | 16c4a873404 |
15 | b3510c4352 |
hex | 647358e12c |
431431934252 has 48 divisors (see below), whose sum is σ = 872184257280. Its totient is φ = 184671547200.
The previous prime is 431431934251. The next prime is 431431934287. The reversal of 431431934252 is 252439134134.
It is a super-2 number, since 2×4314319342522 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (431431934251) 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, 1405499 + ... + 1684722.
It is an arithmetic number, because the mean of its divisors is an integer number (18170505360).
Almost surely, 2431431934252 is an apocalyptic number.
It is an amenable number.
431431934252 is an abundant number, since it is smaller than the sum of its proper divisors (440752323028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431431934252 is a wasteful number, since it uses less digits than its factorization.
431431934252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3090422 (or 3090420 counting only the distinct ones).
The product of its digits is 311040, while the sum is 41.
The spelling of 431431934252 in words is "four hundred thirty-one billion, four hundred thirty-one million, nine hundred thirty-four thousand, two hundred fifty-two".
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