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431444230120 = 23517634476809
BaseRepresentation
bin1100100011101000001…
…01000111111111101000
31112020122002102202122101
412101310011013333220
524032044210330440
6530111443103144
743112406306211
oct6216405077750
91466562382571
10431444230120
11156a7a024942
126b749971ab4
13318b9c99c77
1416c4c354408
15b35220269a
hex6474147fe8

431444230120 has 32 divisors (see below), whose sum is σ = 1027852432200. Its totient is φ = 162426062848.

The previous prime is 431444230093. The next prime is 431444230157. The reversal of 431444230120 is 21032444134.

It can be written as a sum of positive squares in 4 ways, for example, as 396544759524 + 34899470596 = 629718^2 + 186814^2 .

It is a super-2 number, since 2×4314442301202 (a number of 24 digits) contains 22 as substring.

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, 317237725 + ... + 317239084.

Almost surely, 2431444230120 is an apocalyptic number.

431444230120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431444230120 is an abundant number, since it is smaller than the sum of its proper divisors (596408202080).

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

431444230120 is a wasteful number, since it uses less digits than its factorization.

431444230120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634476837 (or 634476833 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 431444230120 its reverse (21032444134), we get a palindrome (452476674254).

The spelling of 431444230120 in words is "four hundred thirty-one billion, four hundred forty-four million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 634476809 1268953618 2537907236 3172384045 5075814472 6344768090 10786105753 12689536180 21572211506 25379072360 43144423012 53930528765 86288846024 107861057530 215722115060 431444230120