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2085190531 is a prime number
BaseRepresentation
bin111110001001001…
…0111101110000011
312101022122122122221
41330102113232003
513232302044111
6542524511511
7102446553454
oct17422275603
95338578587
102085190531
11980043566
124a23ab597
13273004168
1415ad1312b
15c30de371
hex7c497b83

2085190531 has 2 divisors, whose sum is σ = 2085190532. Its totient is φ = 2085190530.

The previous prime is 2085190519. The next prime is 2085190589. The reversal of 2085190531 is 1350915802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2085190531 - 221 = 2083093379 is a prime.

It is a super-2 number, since 2×20851905312 = 8696039101144123922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2085191531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042595265 + 1042595266.

It is an arithmetic number, because the mean of its divisors is an integer number (1042595266).

Almost surely, 22085190531 is an apocalyptic number.

2085190531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085190531 is an equidigital number, since it uses as much as digits as its factorization.

2085190531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 2085190531 is about 45663.8865078302. The cubic root of 2085190531 is about 1277.5617914283.

The spelling of 2085190531 in words is "two billion, eighty-five million, one hundred ninety thousand, five hundred thirty-one".