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18510093417373 is a prime number
BaseRepresentation
bin1000011010101101101111…
…00010101111101110011101
32102112112210020101002121021
410031112313202233232131
54411232132403323443
6103211230341204141
73620211241023055
oct415266742575635
972475706332537
1018510093417373
1159970a51a45a8
1220ab468a00651
13a4365703515c
1447dc71310565
15221753b9d9ed
hex10d5b78afb9d

18510093417373 has 2 divisors, whose sum is σ = 18510093417374. Its totient is φ = 18510093417372.

The previous prime is 18510093417371. The next prime is 18510093417379. The reversal of 18510093417373 is 37371439001581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16492679409924 + 2017414007449 = 4061118^2 + 1420357^2 .

It is a cyclic number.

It is not a de Polignac number, because 18510093417373 - 21 = 18510093417371 is a prime.

It is a super-2 number, since 2×185100934173732 (a number of 27 digits) contains 22 as substring.

Together with 18510093417371, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 18510093417373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18510093417371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9255046708686 + 9255046708687.

It is an arithmetic number, because the mean of its divisors is an integer number (9255046708687).

Almost surely, 218510093417373 is an apocalyptic number.

It is an amenable number.

18510093417373 is a deficient number, since it is larger than the sum of its proper divisors (1).

18510093417373 is an equidigital number, since it uses as much as digits as its factorization.

18510093417373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 18510093417373 in words is "eighteen trillion, five hundred ten billion, ninety-three million, four hundred seventeen thousand, three hundred seventy-three".