Base | Representation |
---|---|
bin | 1100100011100111111… |
… | …10011110100001111110 |
3 | 1112020121222011020010000 |
4 | 12101303332132201332 |
5 | 24032043234044142 |
6 | 530111341455130 |
7 | 43112355430362 |
oct | 6216376364176 |
9 | 1466558136100 |
10 | 431442487422 |
11 | 156a790445a1 |
12 | 6b7492714a6 |
13 | 318b980999b |
14 | 16c4c01d2a2 |
15 | b351eab14c |
hex | 6473f9e87e |
431442487422 has 160 divisors (see below), whose sum is σ = 1038579300000. Its totient is φ = 133469005824.
The previous prime is 431442487409. The next prime is 431442487457. The reversal of 431442487422 is 224784244134.
431442487422 is a `hidden beast` number, since 4 + 3 + 144 + 2 + 4 + 87 + 422 = 666.
It is a super-4 number, since 4×4314424874224 (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 29852454 + ... + 29866902.
It is an arithmetic number, because the mean of its divisors is an integer number (6491120625).
Almost surely, 2431442487422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 431442487422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (519289650000).
431442487422 is an abundant number, since it is smaller than the sum of its proper divisors (607136812578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431442487422 is a wasteful number, since it uses less digits than its factorization.
431442487422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14680 (or 14671 counting only the distinct ones).
The product of its digits is 1376256, while the sum is 45.
The spelling of 431442487422 in words is "four hundred thirty-one billion, four hundred forty-two million, four hundred eighty-seven thousand, four hundred twenty-two".
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