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531010051213 = 231071409153137
BaseRepresentation
bin1111011101000101010…
…10100101110010001101
31212202122000002112101211
413232202222211302031
532200002033114323
61043535340134421
753235631651045
oct7564252456215
91782560075354
10531010051213
1119522236a9a4
1286ab6237411
133b0c685bcc5
141b9b5874725
15dc2d27670d
hex7ba2aa5c8d

531010051213 has 16 divisors (see below), whose sum is σ = 559676511360. Its totient is φ = 502815318016.

The previous prime is 531010051199. The next prime is 531010051219. The reversal of 531010051213 is 312150010135.

It is a cyclic number.

It is not a de Polignac number, because 531010051213 - 229 = 530473180301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531010051219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3390981 + ... + 3544117.

It is an arithmetic number, because the mean of its divisors is an integer number (34979781960).

Almost surely, 2531010051213 is an apocalyptic number.

It is an amenable number.

531010051213 is a deficient number, since it is larger than the sum of its proper divisors (28666460147).

531010051213 is a wasteful number, since it uses less digits than its factorization.

531010051213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154676.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 531010051213 its reverse (312150010135), we get a palindrome (843160061348).

The spelling of 531010051213 in words is "five hundred thirty-one billion, ten million, fifty-one thousand, two hundred thirteen".

Divisors: 1 23 107 1409 2461 32407 150763 153137 3467549 3522151 16385659 215770033 376870157 4962710759 23087393531 531010051213