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523120084037 = 1093478609409
BaseRepresentation
bin1111001110011000110…
…00110000010001000101
31212000021010201200011022
413213030120300101011
532032322220142122
61040152410520525
752536255230225
oct7471430602105
91760233650138
10523120084037
11191943716871
1285473a36145
133a43a063185
141b467a50085
15d91a763642
hex79cc630445

523120084037 has 4 divisors (see below), whose sum is σ = 523598694540. Its totient is φ = 522641473536.

The previous prime is 523120084009. The next prime is 523120084061. The reversal of 523120084037 is 730480021325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 306826258561 + 216293825476 = 553919^2 + 465074^2 .

It is a cyclic number.

It is not a de Polignac number, because 523120084037 - 214 = 523120067653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523120083988 and 523120084006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523120084537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239303612 + ... + 239305797.

It is an arithmetic number, because the mean of its divisors is an integer number (130899673635).

Almost surely, 2523120084037 is an apocalyptic number.

It is an amenable number.

523120084037 is a deficient number, since it is larger than the sum of its proper divisors (478610503).

523120084037 is a wasteful number, since it uses less digits than its factorization.

523120084037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478610502.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 523120084037 in words is "five hundred twenty-three billion, one hundred twenty million, eighty-four thousand, thirty-seven".

Divisors: 1 1093 478609409 523120084037