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2120231297 is a prime number
BaseRepresentation
bin111111001100000…
…0010100110000001
312110202120220120002
41332120002212001
513320234400142
6550215525345
7103353445232
oct17630024601
95422526502
102120231297
119988a7178
124b2089855
1327a352642
14161835089
15c6211a32
hex7e602981

2120231297 has 2 divisors, whose sum is σ = 2120231298. Its totient is φ = 2120231296.

The previous prime is 2120231273. The next prime is 2120231327. The reversal of 2120231297 is 7921320212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2014573456 + 105657841 = 44884^2 + 10279^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120231297 - 26 = 2120231233 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120231497) 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 as a sum of consecutive naturals, namely, 1060115648 + 1060115649.

It is an arithmetic number, because the mean of its divisors is an integer number (1060115649).

Almost surely, 22120231297 is an apocalyptic number.

It is an amenable number.

2120231297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120231297 is an equidigital number, since it uses as much as digits as its factorization.

2120231297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2120231297 is about 46045.9693892962. The cubic root of 2120231297 is about 1284.6783747947.

The spelling of 2120231297 in words is "two billion, one hundred twenty million, two hundred thirty-one thousand, two hundred ninety-seven".