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557050437987 = 3195779484777
BaseRepresentation
bin10000001101100101100…
…10110010000101100011
31222020211210200020120020
420012302302302011203
533111314403003422
61103523324044523
755150141412031
oct10066262620543
91866753606506
10557050437987
111a52754a49aa
128bb63093743
13406b67a32a4
141cd6607d551
15e75445695c
hex81b2cb2163

557050437987 has 8 divisors (see below), whose sum is σ = 742771934736. Its totient is φ = 371347949952.

The previous prime is 557050437953. The next prime is 557050437989. The reversal of 557050437987 is 789734050755.

It is a happy number.

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

It is not a de Polignac number, because 557050437987 - 216 = 557050372451 is a prime.

It is a super-2 number, since 2×5570504379872 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 557050437987.

It is not an unprimeable number, because it can be changed into a prime (557050437989) 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 7 ways as a sum of consecutive naturals, for example, 4683658 + ... + 4801119.

It is an arithmetic number, because the mean of its divisors is an integer number (92846491842).

Almost surely, 2557050437987 is an apocalyptic number.

557050437987 is a deficient number, since it is larger than the sum of its proper divisors (185721496749).

557050437987 is a wasteful number, since it uses less digits than its factorization.

557050437987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9504357.

The product of its (nonzero) digits is 37044000, while the sum is 60.

The spelling of 557050437987 in words is "five hundred fifty-seven billion, fifty million, four hundred thirty-seven thousand, nine hundred eighty-seven".

Divisors: 1 3 19577 58731 9484777 28454331 185683479329 557050437987