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531323030405 = 5272993892619
BaseRepresentation
bin1111011101101010101…
…00100000101110000101
31212210102211000112010202
413232311110200232011
532201122143433110
61044030400300245
753246452145606
oct7566524405605
91783384015122
10531323030405
11195372aa9892
1286b83011685
133b1466526ab
141ba05265dad
15dc4a99b0a5
hex7bb5520b85

531323030405 has 8 divisors (see below), whose sum is σ = 637611156000. Its totient is φ = 425042744656.

The previous prime is 531323030387. The next prime is 531323030477. The reversal of 531323030405 is 504030323135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531323030405 - 212 = 531323026309 is a prime.

It is a congruent number.

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, 1809815 + ... + 2082804.

It is an arithmetic number, because the mean of its divisors is an integer number (79701394500).

Almost surely, 2531323030405 is an apocalyptic number.

It is an amenable number.

531323030405 is a deficient number, since it is larger than the sum of its proper divisors (106288125595).

531323030405 is a wasteful number, since it uses less digits than its factorization.

531323030405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919923.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 531323030405 in words is "five hundred thirty-one billion, three hundred twenty-three million, thirty thousand, four hundred five".

Divisors: 1 5 27299 136495 3892619 19463095 106264606081 531323030405