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120866892473 is a prime number
BaseRepresentation
bin111000010010000111…
…0100110101010111001
3102112222102101022102002
41300210032212222321
53440013411024343
6131305300550345
711506123430465
oct1604416465271
9375872338362
10120866892473
1147294234288
121b5120b23b5
13b52298b4b2
145bc85254a5
1532261428b8
hex1c243a6ab9

120866892473 has 2 divisors, whose sum is σ = 120866892474. Its totient is φ = 120866892472.

The previous prime is 120866892469. The next prime is 120866892493. The reversal of 120866892473 is 374298668021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110960273449 + 9906619024 = 333107^2 + 99532^2 .

It is an emirp because it is prime and its reverse (374298668021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120866892473 - 22 = 120866892469 is a prime.

It is not a weakly prime, because it can be changed into another prime (120866892493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60433446236 + 60433446237.

It is an arithmetic number, because the mean of its divisors is an integer number (60433446237).

Almost surely, 2120866892473 is an apocalyptic number.

It is an amenable number.

120866892473 is a deficient number, since it is larger than the sum of its proper divisors (1).

120866892473 is an equidigital number, since it uses as much as digits as its factorization.

120866892473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 120866892473 in words is "one hundred twenty billion, eight hundred sixty-six million, eight hundred ninety-two thousand, four hundred seventy-three".