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2972975947 = 4190370949
BaseRepresentation
bin1011000100110100…
…0000001101001011
321200012011211022021
42301031000031023
522042040212242
61211001105311
7133446610234
oct26115001513
97605154267
102972975947
111296192917
126ab788237
13384c11c86
14202bb008b
15126006b67
hexb134034b

2972975947 has 4 divisors (see below), whose sum is σ = 2973088800. Its totient is φ = 2972863096.

The previous prime is 2972975939. The next prime is 2972975959. The reversal of 2972975947 is 7495792792.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2972975947 - 23 = 2972975939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972945947) 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 3 ways as a sum of consecutive naturals, for example, 6429 + ... + 77377.

It is an arithmetic number, because the mean of its divisors is an integer number (743272200).

Almost surely, 22972975947 is an apocalyptic number.

2972975947 is a deficient number, since it is larger than the sum of its proper divisors (112853).

2972975947 is an equidigital number, since it uses as much as digits as its factorization.

2972975947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112852.

The product of its digits is 20003760, while the sum is 61.

The square root of 2972975947 is about 54525.0029527739. The cubic root of 2972975947 is about 1437.9058982528.

The spelling of 2972975947 in words is "two billion, nine hundred seventy-two million, nine hundred seventy-five thousand, nine hundred forty-seven".

Divisors: 1 41903 70949 2972975947