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122620061571853 is a prime number
BaseRepresentation
bin11011111000010110110101…
…001101100101101100001101
3121002011100210220212101100111
4123320112311031211230031
5112033001341230244403
61112442513441200021
734554002302116016
oct3370266515455415
9532140726771314
10122620061571853
113608597007143a
121190470a630011
1353560399a3701
14223cbb231600d
15e2996883056d
hex6f85b5365b0d

122620061571853 has 2 divisors, whose sum is σ = 122620061571854. Its totient is φ = 122620061571852.

The previous prime is 122620061571773. The next prime is 122620061571877. The reversal of 122620061571853 is 358175160026221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83949610409604 + 38670451162249 = 9162402^2 + 6218557^2 .

It is a cyclic number.

It is not a de Polignac number, because 122620061571853 - 217 = 122620061440781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122620061571797 and 122620061571806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122620061571353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61310030785926 + 61310030785927.

It is an arithmetic number, because the mean of its divisors is an integer number (61310030785927).

Almost surely, 2122620061571853 is an apocalyptic number.

It is an amenable number.

122620061571853 is a deficient number, since it is larger than the sum of its proper divisors (1).

122620061571853 is an equidigital number, since it uses as much as digits as its factorization.

122620061571853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 122620061571853 in words is "one hundred twenty-two trillion, six hundred twenty billion, sixty-one million, five hundred seventy-one thousand, eight hundred fifty-three".