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2111302997 is a prime number
BaseRepresentation
bin111110111010111…
…1110110101010101
312110010210022020022
41331311332311111
513310443143442
6545300314525
7103214531216
oct17565766525
95403708208
102111302997
11993859211
124ab0a2a45
1327854781b
1416058d40d
15c554b3d2
hex7dd7ed55

2111302997 has 2 divisors, whose sum is σ = 2111302998. Its totient is φ = 2111302996.

The previous prime is 2111302969. The next prime is 2111303017. The reversal of 2111302997 is 7992031112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218428836 + 892874161 = 34906^2 + 29881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111302997 - 28 = 2111302741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111302597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055651498 + 1055651499.

It is an arithmetic number, because the mean of its divisors is an integer number (1055651499).

Almost surely, 22111302997 is an apocalyptic number.

It is an amenable number.

2111302997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111302997 is an equidigital number, since it uses as much as digits as its factorization.

2111302997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 2111302997 is about 45948.9172560138. The cubic root of 2111302997 is about 1282.8725762513.

The spelling of 2111302997 in words is "two billion, one hundred eleven million, three hundred two thousand, nine hundred ninety-seven".