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530818825531 = 719738273749
BaseRepresentation
bin1111011100101110100…
…01000111110100111011
31212202010200021021002011
413232113101013310323
532144104104404111
61043504345350351
753231120366551
oct7562721076473
91782120237064
10530818825531
11195134430245
1286a621983b7
133b096057707
141b9982d7bd1
15dc1b5a2021
hex7b97447d3b

530818825531 has 4 divisors (see below), whose sum is σ = 531557100000. Its totient is φ = 530080551064.

The previous prime is 530818825519. The next prime is 530818825547. The reversal of 530818825531 is 135528818035.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 530818825531 - 225 = 530785271099 is a prime.

It is a super-2 number, since 2×5308188255312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530818825591) 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, 369136156 + ... + 369137593.

It is an arithmetic number, because the mean of its divisors is an integer number (132889275000).

Almost surely, 2530818825531 is an apocalyptic number.

530818825531 is a deficient number, since it is larger than the sum of its proper divisors (738274469).

530818825531 is an equidigital number, since it uses as much as digits as its factorization.

530818825531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738274468.

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 530818825531 in words is "five hundred thirty billion, eight hundred eighteen million, eight hundred twenty-five thousand, five hundred thirty-one".

Divisors: 1 719 738273749 530818825531