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1431020212 = 22418725733
BaseRepresentation
bin101010101001011…
…1010001010110100
310200201201100200121
41111102322022310
510412320121322
6353555421324
750314320406
oct12522721264
93621640617
101431020212
11674856736
1233b2b4844
1319a61cc2b
14d80a8b76
1585970ec7
hex554ba2b4

1431020212 has 12 divisors (see below), whose sum is σ = 2565365796. Its totient is φ = 698058560.

The previous prime is 1431020197. The next prime is 1431020221. The reversal of 1431020212 is 2120201341.

It can be written as a sum of positive squares in 2 ways, for example, as 680479396 + 750540816 = 26086^2 + 27396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362703 + ... + 4363030.

It is an arithmetic number, because the mean of its divisors is an integer number (213780483).

Almost surely, 21431020212 is an apocalyptic number.

It is an amenable number.

1431020212 is a deficient number, since it is larger than the sum of its proper divisors (1134345584).

1431020212 is a wasteful number, since it uses less digits than its factorization.

1431020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8725778 (or 8725776 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1431020212 is about 37828.8277904563. The cubic root of 1431020212 is about 1126.8910317653.

Adding to 1431020212 its reverse (2120201341), we get a palindrome (3551221553).

The spelling of 1431020212 in words is "one billion, four hundred thirty-one million, twenty thousand, two hundred twelve".

Divisors: 1 2 4 41 82 164 8725733 17451466 34902932 357755053 715510106 1431020212