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2111258560973 is a prime number
BaseRepresentation
bin11110101110010000110…
…100010000100111001101
321110211112020110100102112
4132232100310100213031
5234042324142422343
64253522050033405
7305350645445342
oct36562064204715
97424466410375
102111258560973
1174441a465431
122a1214278865
1312412471a6c3
1474284c887c9
1539dba82c218
hex1eb90d109cd

2111258560973 has 2 divisors, whose sum is σ = 2111258560974. Its totient is φ = 2111258560972.

The previous prime is 2111258560949. The next prime is 2111258560979. The reversal of 2111258560973 is 3790658521112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2111156692324 + 101868649 = 1452982^2 + 10093^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111258560973 - 214 = 2111258544589 is a prime.

It is a super-2 number, since 2×21112585609732 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111258560979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055629280486 + 1055629280487.

It is an arithmetic number, because the mean of its divisors is an integer number (1055629280487).

Almost surely, 22111258560973 is an apocalyptic number.

It is an amenable number.

2111258560973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111258560973 is an equidigital number, since it uses as much as digits as its factorization.

2111258560973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 2111258560973 in words is "two trillion, one hundred eleven billion, two hundred fifty-eight million, five hundred sixty thousand, nine hundred seventy-three".