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2085275777131 is a prime number
BaseRepresentation
bin11110010110000100000…
…111110011100001101011
321101100110110021011122001
4132112010013303201223
5233131121044332011
64233543520511431
7303441035436061
oct36260407634153
97340413234561
102085275777131
117343a68a4358
1229818277b577
131218436c42b1
1472cdc196031
15393997297c1
hex1e5841f386b

2085275777131 has 2 divisors, whose sum is σ = 2085275777132. Its totient is φ = 2085275777130.

The previous prime is 2085275777041. The next prime is 2085275777177. The reversal of 2085275777131 is 1317775725802.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2085275777131 - 235 = 2050916038763 is a prime.

It is a super-2 number, since 2×20852757771312 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2085275777531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042637888565 + 1042637888566.

It is an arithmetic number, because the mean of its divisors is an integer number (1042637888566).

Almost surely, 22085275777131 is an apocalyptic number.

2085275777131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085275777131 is an equidigital number, since it uses as much as digits as its factorization.

2085275777131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5762400, while the sum is 55.

The spelling of 2085275777131 in words is "two trillion, eighty-five billion, two hundred seventy-five million, seven hundred seventy-seven thousand, one hundred thirty-one".