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2976846989 is a prime number
BaseRepresentation
bin1011000101101111…
…0001010010001101
321200110110111101012
42301123301102031
522044033100424
61211220055005
7133524532124
oct26133612215
97613414335
102976846989
111298397226
126b0b34465
13385968c2c
142034daabb
1512651db0e
hexb16f148d

2976846989 has 2 divisors, whose sum is σ = 2976846990. Its totient is φ = 2976846988.

The previous prime is 2976846949. The next prime is 2976847009. The reversal of 2976846989 is 9896486792.

2976846989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2928433225 + 48413764 = 54115^2 + 6958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2976846989 - 212 = 2976842893 is a prime.

It is a super-2 number, since 2×29768469892 = 17723235991836732242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2976846949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488423494 + 1488423495.

It is an arithmetic number, because the mean of its divisors is an integer number (1488423495).

Almost surely, 22976846989 is an apocalyptic number.

It is an amenable number.

2976846989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2976846989 is an equidigital number, since it uses as much as digits as its factorization.

2976846989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94058496, while the sum is 68.

The square root of 2976846989 is about 54560.4892665013. The cubic root of 2976846989 is about 1438.5297153863.

The spelling of 2976846989 in words is "two billion, nine hundred seventy-six million, eight hundred forty-six thousand, nine hundred eighty-nine".