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431430240102 = 23164334375649
BaseRepresentation
bin1100100011100110011…
…11110000011101100110
31112020121010002222221120
412101303033300131212
524032032120140402
6530110223154410
743112146351041
oct6216317603546
91466533088846
10431430240102
11156a72139a44
126b745145a06
13318b710c254
1416c4a551c58
15b350d8c3bc
hex64733f0766

431430240102 has 16 divisors (see below), whose sum is σ = 862913185200. Its totient is φ = 143801295872.

The previous prime is 431430240067. The next prime is 431430240113. The reversal of 431430240102 is 201042034134.

It is a super-2 number, since 2×4314302401022 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089227 + ... + 2286422.

It is an arithmetic number, because the mean of its divisors is an integer number (53932074075).

Almost surely, 2431430240102 is an apocalyptic number.

431430240102 is an abundant number, since it is smaller than the sum of its proper divisors (431482945098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431430240102 is a wasteful number, since it uses less digits than its factorization.

431430240102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4392087.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 431430240102 its reverse (201042034134), we get a palindrome (632472274236).

The spelling of 431430240102 in words is "four hundred thirty-one billion, four hundred thirty million, two hundred forty thousand, one hundred two".

Divisors: 1 2 3 6 16433 32866 49299 98598 4375649 8751298 13126947 26253894 71905040017 143810080034 215715120051 431430240102