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2213957071 is a prime number
BaseRepresentation
bin1000001111110110…
…0100110111001111
312201021221200011001
42003331210313033
514013233111241
61003404441131
7105602216224
oct20375446717
95637850131
102213957071
11a367a2797
125195491a7
132938aa391
1417007194b
15ce577431
hex83f64dcf

2213957071 has 2 divisors, whose sum is σ = 2213957072. Its totient is φ = 2213957070.

The previous prime is 2213957051. The next prime is 2213957077. The reversal of 2213957071 is 1707593122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213957071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2213957071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213957077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106978535 + 1106978536.

It is an arithmetic number, because the mean of its divisors is an integer number (1106978536).

Almost surely, 22213957071 is an apocalyptic number.

2213957071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213957071 is an equidigital number, since it uses as much as digits as its factorization.

2213957071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 2213957071 is about 47052.7052463511. The cubic root of 2213957071 is about 1303.3360218168.

The spelling of 2213957071 in words is "two billion, two hundred thirteen million, nine hundred fifty-seven thousand, seventy-one".