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1431142212 = 223178817963
BaseRepresentation
bin101010101001101…
…0111111101000100
310200201221120001010
41111103113331010
510412333022322
6354002202220
750315336163
oct12523277504
93621846033
101431142212
1167492a365
1233b353370
1319a663616
14d80db3da
158599720c
hex554d7f44

1431142212 has 48 divisors (see below), whose sum is σ = 3540220992. Its totient is φ = 448419840.

The previous prime is 1431142201. The next prime is 1431142231. The reversal of 1431142212 is 2122411341.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175743 + ... + 183705.

It is an arithmetic number, because the mean of its divisors is an integer number (73754604).

Almost surely, 21431142212 is an apocalyptic number.

1431142212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431142212 is an abundant number, since it is smaller than the sum of its proper divisors (2109078780).

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

1431142212 is a wasteful number, since it uses less digits than its factorization.

1431142212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868 (or 8866 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1431142212 is about 37830.4402829256. The cubic root of 1431142212 is about 1126.9230547929.

Adding to 1431142212 its reverse (2122411341), we get a palindrome (3553553553).

The spelling of 1431142212 in words is "one billion, four hundred thirty-one million, one hundred forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 881 1762 2643 3524 5286 7963 10572 14977 15926 23889 29954 31852 44931 47778 59908 89862 95556 135371 179724 270742 406113 541484 812226 1624452 7015403 14030806 21046209 28061612 42092418 84184836 119261851 238523702 357785553 477047404 715571106 1431142212