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2690875555 = 5538175111
BaseRepresentation
bin1010000001100011…
…1000000010100011
320221112100122022121
42200120320002203
521002331004210
61123002445111
7123453031144
oct24030700243
96845318277
102690875555
111160a246a5
12631203797
1333b640574
141b7539acb
1510b3816da
hexa06380a3

2690875555 has 4 divisors (see below), whose sum is σ = 3229050672. Its totient is φ = 2152700440.

The previous prime is 2690875531. The next prime is 2690875559. The reversal of 2690875555 is 5555780962.

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

It is not a de Polignac number, because 2690875555 - 221 = 2688778403 is a prime.

It is a super-3 number, since 3×26908755553 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690875559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269087551 + ... + 269087560.

It is an arithmetic number, because the mean of its divisors is an integer number (807262668).

Almost surely, 22690875555 is an apocalyptic number.

2690875555 is a deficient number, since it is larger than the sum of its proper divisors (538175117).

2690875555 is an equidigital number, since it uses as much as digits as its factorization.

2690875555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538175116.

The product of its (nonzero) digits is 3780000, while the sum is 52.

The square root of 2690875555 is about 51873.6499101422. The cubic root of 2690875555 is about 1390.9062900777.

The spelling of 2690875555 in words is "two billion, six hundred ninety million, eight hundred seventy-five thousand, five hundred fifty-five".

Divisors: 1 5 538175111 2690875555