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120668893 is a prime number
BaseRepresentation
bin1110011000101…
…00001011011101
322102001121121021
413030110023131
5221342401033
615550204141
72663445232
oct714241335
9272047537
10120668893
1162129364
12344b3651
131bccc517
1412051789
15a8d8b2d
hex73142dd

120668893 has 2 divisors, whose sum is σ = 120668894. Its totient is φ = 120668892.

The previous prime is 120668843. The next prime is 120668897. The reversal of 120668893 is 398866021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74183769 + 46485124 = 8613^2 + 6818^2 .

It is a cyclic number.

It is not a de Polignac number, because 120668893 - 29 = 120668381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120668897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60334446 + 60334447.

It is an arithmetic number, because the mean of its divisors is an integer number (60334447).

Almost surely, 2120668893 is an apocalyptic number.

It is an amenable number.

120668893 is a deficient number, since it is larger than the sum of its proper divisors (1).

120668893 is an equidigital number, since it uses as much as digits as its factorization.

120668893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 120668893 is about 10984.9393717034. The cubic root of 120668893 is about 494.1571795182.

The spelling of 120668893 in words is "one hundred twenty million, six hundred sixty-eight thousand, eight hundred ninety-three".