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9979910141 is a prime number
BaseRepresentation
bin10010100101101100…
…10101011111111101
3221202111221222000112
421102312111133331
5130414324111031
64330144035405
7502211556635
oct112266253775
927674858015
109979910141
114261443223
121b26302b65
13c307a5196
146a96136c5
153d624062b
hex252d957fd

9979910141 has 2 divisors, whose sum is σ = 9979910142. Its totient is φ = 9979910140.

The previous prime is 9979910107. The next prime is 9979910153. The reversal of 9979910141 is 1410199799.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7176631225 + 2803278916 = 84715^2 + 52946^2 .

It is a cyclic number.

It is not a de Polignac number, because 9979910141 - 230 = 8906168317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9979910141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9979919141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4989955070 + 4989955071.

It is an arithmetic number, because the mean of its divisors is an integer number (4989955071).

Almost surely, 29979910141 is an apocalyptic number.

It is an amenable number.

9979910141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9979910141 is an equidigital number, since it uses as much as digits as its factorization.

9979910141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 50.

The square root of 9979910141 is about 99899.5002039550. The cubic root of 9979910141 is about 2152.9909798304.

The spelling of 9979910141 in words is "nine billion, nine hundred seventy-nine million, nine hundred ten thousand, one hundred forty-one".