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1331043041252 = 221917513724227
BaseRepresentation
bin10011010111101000010…
…110001111111111100100
311201020122200022100012202
4103113220112033333210
5133301434004310002
62455250035434032
7165110326114001
oct23275026177744
94636580270182
101331043041252
11473546107591
12195b6b755918
13986945b95c2
14485cc3468a8
15249543d3502
hex135e858ffe4

1331043041252 has 12 divisors (see below), whose sum is σ = 2451921391920. Its totient is φ = 630494072136.

The previous prime is 1331043041239. The next prime is 1331043041257. The reversal of 1331043041252 is 2521403401331.

It is not an unprimeable number, because it can be changed into a prime (1331043041257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8756862038 + ... + 8756862189.

It is an arithmetic number, because the mean of its divisors is an integer number (204326782660).

Almost surely, 21331043041252 is an apocalyptic number.

It is an amenable number.

1331043041252 is a deficient number, since it is larger than the sum of its proper divisors (1120878350668).

1331043041252 is a wasteful number, since it uses less digits than its factorization.

1331043041252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17513724250 (or 17513724248 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1331043041252 its reverse (2521403401331), we get a palindrome (3852446442583).

The spelling of 1331043041252 in words is "one trillion, three hundred thirty-one billion, forty-three million, forty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 17513724227 35027448454 70054896908 332760760313 665521520626 1331043041252