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13900458889 is a prime number
BaseRepresentation
bin11001111001000100…
…00010101110001001
31022212202011110211201
430330202002232021
5211432004141024
610215155024201
71001315644132
oct147442025611
938782143751
1013900458889
1159934a0559
12283b29b061
131406ac9205
1495c1a4c89
1556551e744
hex33c882b89

13900458889 has 2 divisors, whose sum is σ = 13900458890. Its totient is φ = 13900458888.

The previous prime is 13900458853. The next prime is 13900458893. The reversal of 13900458889 is 98885400931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7429060864 + 6471398025 = 86192^2 + 80445^2 .

It is a cyclic number.

It is not a de Polignac number, because 13900458889 - 215 = 13900426121 is a prime.

It is a super-2 number, since 2×139004588892 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13900458989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950229444 + 6950229445.

It is an arithmetic number, because the mean of its divisors is an integer number (6950229445).

Almost surely, 213900458889 is an apocalyptic number.

It is an amenable number.

13900458889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13900458889 is an equidigital number, since it uses as much as digits as its factorization.

13900458889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 13900458889 in words is "thirteen billion, nine hundred million, four hundred fifty-eight thousand, eight hundred eighty-nine".