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120450013 is a prime number
BaseRepresentation
bin1110010110111…
…10101111011101
322101122111100121
413023132233131
5221313400023
615541354541
72661544135
oct713365735
9271574317
10120450013
1161a99972
1234408a51
131bc539c8
1411dd5ac5
15a893d5d
hex72debdd

120450013 has 2 divisors, whose sum is σ = 120450014. Its totient is φ = 120450012.

The previous prime is 120449999. The next prime is 120450017. The reversal of 120450013 is 310054021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119290084 + 1159929 = 10922^2 + 1077^2 .

It is an emirp because it is prime and its reverse (310054021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120450013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120450017) 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, 60225006 + 60225007.

It is an arithmetic number, because the mean of its divisors is an integer number (60225007).

Almost surely, 2120450013 is an apocalyptic number.

It is an amenable number.

120450013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120450013 is an equidigital number, since it uses as much as digits as its factorization.

120450013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120450013 is about 10974.9721184156. The cubic root of 120450013 is about 493.8582165621.

The spelling of 120450013 in words is "one hundred twenty million, four hundred fifty thousand, thirteen".