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85937261719 = 471828452377
BaseRepresentation
bin101000000001001000…
…0101000110010010111
322012211010010012221011
41100002100220302113
52401444414333334
6103251245433051
76131414446351
oct1200220506227
9265733105834
1085937261719
113349a386751
12147a426b787
13814720542a
1442334d60d1
15237e862564
hex1402428c97

85937261719 has 4 divisors (see below), whose sum is σ = 87765714144. Its totient is φ = 84108809296.

The previous prime is 85937261717. The next prime is 85937261747. The reversal of 85937261719 is 91716273958.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85937261719 - 21 = 85937261717 is a prime.

It is a super-2 number, since 2×859372617192 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85937261717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914226142 + ... + 914226235.

It is an arithmetic number, because the mean of its divisors is an integer number (21941428536).

Almost surely, 285937261719 is an apocalyptic number.

85937261719 is a deficient number, since it is larger than the sum of its proper divisors (1828452425).

85937261719 is a wasteful number, since it uses less digits than its factorization.

85937261719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828452424.

The product of its digits is 5715360, while the sum is 58.

The spelling of 85937261719 in words is "eighty-five billion, nine hundred thirty-seven million, two hundred sixty-one thousand, seven hundred nineteen".

Divisors: 1 47 1828452377 85937261719