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2537942885 = 5507588577
BaseRepresentation
bin1001011101000101…
…1110111101100101
320112212120212010122
42113101132331211
520144203133020
61055500531325
7116615105252
oct22721367545
96485525118
102537942885
11109266a065
125a9b50b45
13315a5586a
141a10ca429
15ecc23125
hex9745ef65

2537942885 has 4 divisors (see below), whose sum is σ = 3045531468. Its totient is φ = 2030354304.

The previous prime is 2537942873. The next prime is 2537942929. The reversal of 2537942885 is 5882497352.

It is a Cunningham number, because it is equal to 503782+1.

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 913611076 + 1624331809 = 30226^2 + 40303^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537942885 - 218 = 2537680741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253794284 + ... + 253794293.

It is an arithmetic number, because the mean of its divisors is an integer number (761382867).

Almost surely, 22537942885 is an apocalyptic number.

It is an amenable number.

2537942885 is a deficient number, since it is larger than the sum of its proper divisors (507588583).

2537942885 is an equidigital number, since it uses as much as digits as its factorization.

2537942885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507588582.

The product of its digits is 4838400, while the sum is 53.

The square root of 2537942885 is about 50378.0000099250. Note that the first 5 decimals coincide. The cubic root of 2537942885 is about 1364.0405508838.

The spelling of 2537942885 in words is "two billion, five hundred thirty-seven million, nine hundred forty-two thousand, eight hundred eighty-five".

Divisors: 1 5 507588577 2537942885