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3103379891 = 23313319227
BaseRepresentation
bin1011100011111001…
…1101000110110011
322000021120000212222
42320332131012303
522323431124031
61231540111255
7136622202533
oct27076350663
98007500788
103103379891
111352860277
1272739552b
133a5c3c581
142162374c3
151326b4e7b
hexb8f9d1b3

3103379891 has 4 divisors (see below), whose sum is σ = 3116699352. Its totient is φ = 3090060432.

The previous prime is 3103379887. The next prime is 3103379911. The reversal of 3103379891 is 1989733013.

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

It is a cyclic number.

It is not a de Polignac number, because 3103379891 - 22 = 3103379887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3103370891) by changing a digit.

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, 6659381 + ... + 6659846.

It is an arithmetic number, because the mean of its divisors is an integer number (779174838).

Almost surely, 23103379891 is an apocalyptic number.

3103379891 is a deficient number, since it is larger than the sum of its proper divisors (13319461).

3103379891 is a wasteful number, since it uses less digits than its factorization.

3103379891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13319460.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 3103379891 is about 55707.9876768135. The cubic root of 3103379891 is about 1458.6294592891.

The spelling of 3103379891 in words is "three billion, one hundred three million, three hundred seventy-nine thousand, eight hundred ninety-one".

Divisors: 1 233 13319227 3103379891