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2085170810 = 25208517081
BaseRepresentation
bin111110001001001…
…0010111001111010
312101022121122121112
41330102102321322
513232300431220
6542524240322
7102446442122
oct17422227172
95338548545
102085170810
1198002a768
124a23a00a2
13272cc81a8
1415ad09c82
15c30d85c5
hex7c492e7a

2085170810 has 8 divisors (see below), whose sum is σ = 3753307476. Its totient is φ = 834068320.

The previous prime is 2085170771. The next prime is 2085170833. The reversal of 2085170810 is 180715802.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1881737641 + 203433169 = 43379^2 + 14263^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20851708102 = 8695874613752112200, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 104258531 + ... + 104258550.

Almost surely, 22085170810 is an apocalyptic number.

2085170810 is a deficient number, since it is larger than the sum of its proper divisors (1668136666).

2085170810 is a wasteful number, since it uses less digits than its factorization.

2085170810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208517088.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 2085170810 is about 45663.6705708159. The cubic root of 2085170810 is about 1277.5577638386.

The spelling of 2085170810 in words is "two billion, eighty-five million, one hundred seventy thousand, eight hundred ten".

Divisors: 1 2 5 10 208517081 417034162 1042585405 2085170810