Base | Representation |
---|---|
bin | 1100100011100101010… |
… | …01001010000010001110 |
3 | 1112020120102001220110112 |
4 | 12101302221022002032 |
5 | 24032022022334410 |
6 | 530105222240022 |
7 | 43111664345000 |
oct | 6216251120216 |
9 | 1466512056415 |
10 | 431420121230 |
11 | 156a6745853a |
12 | 6b741886012 |
13 | 318b4ca8557 |
14 | 16c4907a370 |
15 | b35003e105 |
hex | 6472a4a08e |
431420121230 has 256 divisors, whose sum is σ = 1015960320000. Its totient is φ = 131023484928.
The previous prime is 431420121191. The next prime is 431420121233. The reversal of 431420121230 is 32121024134.
It is a super-2 number, since 2×4314201212302 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 431420121196 and 431420121205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (431420121233) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 180584876 + ... + 180587264.
It is an arithmetic number, because the mean of its divisors is an integer number (3968595000).
Almost surely, 2431420121230 is an apocalyptic number.
431420121230 is an abundant number, since it is smaller than the sum of its proper divisors (584540198770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431420121230 is a wasteful number, since it uses less digits than its factorization.
431420121230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2616 (or 2602 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 431420121230 its reverse (32121024134), we get a palindrome (463541145364).
The spelling of 431420121230 in words is "four hundred thirty-one billion, four hundred twenty million, one hundred twenty-one thousand, two hundred thirty".
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