Search a number
-
+
2972372131 is a prime number
BaseRepresentation
bin1011000100101010…
…1100110010100011
321200011001011000201
42301022230302203
522041411402011
61210540130031
7133441513651
oct26112546243
97604034021
102972372131
1112959101a3
126ab536917
13384a601a1
14202a93dd1
15125e37cc1
hexb12acca3

2972372131 has 2 divisors, whose sum is σ = 2972372132. Its totient is φ = 2972372130.

The previous prime is 2972372107. The next prime is 2972372147. The reversal of 2972372131 is 1312732792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2972372131 - 25 = 2972372099 is a prime.

It is a super-2 number, since 2×29723721312 = 17669992170290962322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2972372231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486186065 + 1486186066.

It is an arithmetic number, because the mean of its divisors is an integer number (1486186066).

Almost surely, 22972372131 is an apocalyptic number.

2972372131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972372131 is an equidigital number, since it uses as much as digits as its factorization.

2972372131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 2972372131 is about 54519.4656155029. The cubic root of 2972372131 is about 1437.8085446931.

The spelling of 2972372131 in words is "two billion, nine hundred seventy-two million, three hundred seventy-two thousand, one hundred thirty-one".