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103285939790881 is a prime number
BaseRepresentation
bin10111011111000000100001…
…110000000110010000100001
3111112201001001201202012112001
4113133000201300012100201
5102014214101041302011
61003400523344204001
730520106605415461
oct2737004160062041
9445631051665461
10103285939790881
112aa01359397a11
12b701610309601
134582a8c874683
141b710cd77dba1
15be1a871497c1
hex5df021c06421

103285939790881 has 2 divisors, whose sum is σ = 103285939790882. Its totient is φ = 103285939790880.

The previous prime is 103285939790879. The next prime is 103285939790897. The reversal of 103285939790881 is 188097939582301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101050343664400 + 2235596126481 = 10052380^2 + 1495191^2 .

It is a cyclic number.

It is not a de Polignac number, because 103285939790881 - 21 = 103285939790879 is a prime.

It is a super-2 number, since 2×1032859397908812 (a number of 29 digits) contains 22 as substring.

Together with 103285939790879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103285939797881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51642969895440 + 51642969895441.

It is an arithmetic number, because the mean of its divisors is an integer number (51642969895441).

Almost surely, 2103285939790881 is an apocalyptic number.

It is an amenable number.

103285939790881 is a deficient number, since it is larger than the sum of its proper divisors (1).

103285939790881 is an equidigital number, since it uses as much as digits as its factorization.

103285939790881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235146240, while the sum is 73.

The spelling of 103285939790881 in words is "one hundred three trillion, two hundred eighty-five billion, nine hundred thirty-nine million, seven hundred ninety thousand, eight hundred eighty-one".