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2655191161 = 7697154413
BaseRepresentation
bin1001111001000011…
…0000000001111001
320212001012200112101
42132100300001321
520414212104121
61115245543401
7122540516050
oct23620600171
96761180471
102655191161
111142871467
12621274b61
1333412813c
141b28cb397
15108183491
hex9e430079

2655191161 has 8 divisors (see below), whose sum is σ = 3034995264. Its totient is φ = 2275509840.

The previous prime is 2655191129. The next prime is 2655191167. The reversal of 2655191161 is 1611915562.

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

It is a cyclic number.

It is not a de Polignac number, because 2655191161 - 25 = 2655191129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2655191161.

It is not an unprimeable number, because it can be changed into a prime (2655191167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21591 + ... + 76003.

It is an arithmetic number, because the mean of its divisors is an integer number (379374408).

Almost surely, 22655191161 is an apocalyptic number.

It is an amenable number.

2655191161 is a deficient number, since it is larger than the sum of its proper divisors (379804103).

2655191161 is an equidigital number, since it uses as much as digits as its factorization.

2655191161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61391.

The product of its digits is 16200, while the sum is 37.

The square root of 2655191161 is about 51528.5470491843. The cubic root of 2655191161 is about 1384.7305207136.

The spelling of 2655191161 in words is "two billion, six hundred fifty-five million, one hundred ninety-one thousand, one hundred sixty-one".

Divisors: 1 7 6971 48797 54413 380891 379313023 2655191161