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275215565983 is a prime number
BaseRepresentation
bin1000000000101000010…
…00000100010010011111
3222022101020122022212111
410000110020010102133
514002120141102413
6330233212414451
725612045466251
oct4002410042237
9868336568774
10275215565983
11a679a015186
1245409177427
131cc5016c837
14d46b66dcd1
15725b8bcd3d
hex401420449f

275215565983 has 2 divisors, whose sum is σ = 275215565984. Its totient is φ = 275215565982.

The previous prime is 275215565981. The next prime is 275215565987. The reversal of 275215565983 is 389565512572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275215565983 - 21 = 275215565981 is a prime.

Together with 275215565981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275215565981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137607782991 + 137607782992.

It is an arithmetic number, because the mean of its divisors is an integer number (137607782992).

Almost surely, 2275215565983 is an apocalyptic number.

275215565983 is a deficient number, since it is larger than the sum of its proper divisors (1).

275215565983 is an equidigital number, since it uses as much as digits as its factorization.

275215565983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680000, while the sum is 58.

The spelling of 275215565983 in words is "two hundred seventy-five billion, two hundred fifteen million, five hundred sixty-five thousand, nine hundred eighty-three".