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3189905713 is a prime number
BaseRepresentation
bin1011111000100010…
…0001100100110001
322020022101000000001
42332020201210301
523013103440323
61244310430001
7142022515441
oct27610414461
98208330001
103189905713
111397689415
12750362301
133bab46097
1422391c121
1513a0a73ad
hexbe221931

3189905713 has 2 divisors, whose sum is σ = 3189905714. Its totient is φ = 3189905712.

The previous prime is 3189905659. The next prime is 3189905731. The reversal of 3189905713 is 3175099813.

It is a happy number.

Together with next prime (3189905731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1881130384 + 1308775329 = 43372^2 + 36177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3189905713 is a prime.

It is not a weakly prime, because it can be changed into another prime (3189905773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594952856 + 1594952857.

It is an arithmetic number, because the mean of its divisors is an integer number (1594952857).

Almost surely, 23189905713 is an apocalyptic number.

It is an amenable number.

3189905713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189905713 is an equidigital number, since it uses as much as digits as its factorization.

3189905713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 3189905713 is about 56479.2502871630. The cubic root of 3189905713 is about 1472.0614810256.

The spelling of 3189905713 in words is "three billion, one hundred eighty-nine million, nine hundred five thousand, seven hundred thirteen".