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2971094947 = 17174770291
BaseRepresentation
bin1011000100010111…
…0100111110100011
321200001122021001121
42301011310332203
522041100014242
61210452513111
7133424614252
oct26105647643
97601567047
102971094947
111295118677
126ab01b797
13384703a62
14202840799
15125c84667
hexb1174fa3

2971094947 has 4 divisors (see below), whose sum is σ = 3145865256. Its totient is φ = 2796324640.

The previous prime is 2971094939. The next prime is 2971094953. The reversal of 2971094947 is 7494901792.

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 2971094947 - 23 = 2971094939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2971094894 and 2971094903.

It is not an unprimeable number, because it can be changed into a prime (2971094047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 87385129 + ... + 87385162.

It is an arithmetic number, because the mean of its divisors is an integer number (786466314).

Almost surely, 22971094947 is an apocalyptic number.

2971094947 is a deficient number, since it is larger than the sum of its proper divisors (174770309).

2971094947 is a wasteful number, since it uses less digits than its factorization.

2971094947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174770308.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 2971094947 is about 54507.7512561287. The cubic root of 2971094947 is about 1437.6025802235.

The spelling of 2971094947 in words is "two billion, nine hundred seventy-one million, ninety-four thousand, nine hundred forty-seven".

Divisors: 1 17 174770291 2971094947