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2690442875 = 5321523543
BaseRepresentation
bin1010000001011100…
…1110011001111011
320221111112122210102
42200113032121323
521002223133000
61122545310015
7123446246531
oct24027163173
96844478712
102690442875
11116075960a
1263103530b
1333b51b643
141b7466151
1510b2e83d5
hexa05ce67b

2690442875 has 8 divisors (see below), whose sum is σ = 3357672864. Its totient is φ = 2152354200.

The previous prime is 2690442857. The next prime is 2690442913. The reversal of 2690442875 is 5782440962.

It is not a de Polignac number, because 2690442875 - 220 = 2689394299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 10761647 + ... + 10761896.

It is an arithmetic number, because the mean of its divisors is an integer number (419709108).

Almost surely, 22690442875 is an apocalyptic number.

2690442875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2690442875 is a deficient number, since it is larger than the sum of its proper divisors (667229989).

2690442875 is an equidigital number, since it uses as much as digits as its factorization.

2690442875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523558 (or 21523548 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2690442875 is about 51869.4792242991. The cubic root of 2690442875 is about 1390.8317357080.

The spelling of 2690442875 in words is "two billion, six hundred ninety million, four hundred forty-two thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 21523543 107617715 538088575 2690442875