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3111012091 = 11299752389
BaseRepresentation
bin1011100101101110…
…0100011011111011
322000210220210022001
42321123210123323
522332404341331
61232411441431
7140044111045
oct27133443373
98023823261
103111012091
1113570a3480
12729a56277
133a76b2475
14217262a95
151331c1561
hexb96e46fb

3111012091 has 8 divisors (see below), whose sum is σ = 3510860400. Its totient is φ = 2730668640.

The previous prime is 3111012089. The next prime is 3111012097. The reversal of 3111012091 is 1902101113.

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 3111012091 - 21 = 3111012089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111012097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875876 + ... + 4876513.

It is an arithmetic number, because the mean of its divisors is an integer number (438857550).

Almost surely, 23111012091 is an apocalyptic number.

3111012091 is a deficient number, since it is larger than the sum of its proper divisors (399848309).

3111012091 is a wasteful number, since it uses less digits than its factorization.

3111012091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752429.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 3111012091 is about 55776.4474576859. The cubic root of 3111012091 is about 1459.8242252577.

The spelling of 3111012091 in words is "three billion, one hundred eleven million, twelve thousand, ninety-one".

Divisors: 1 11 29 319 9752389 107276279 282819281 3111012091