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85887259936 = 257693490217
BaseRepresentation
bin100111111111101000…
…1111001010100100000
322012200122000212101021
41033333101321110200
52401344114304221
6103242302015224
76130236443512
oct1177721712440
9265618025337
1085887259936
1133474134665
121478b577514
138139a4928a
14422a9dbbb2
15237a287041
hex13ff479520

85887259936 has 24 divisors (see below), whose sum is σ = 169310475180. Its totient is φ = 42887774208.

The previous prime is 85887259921. The next prime is 85887259943. The reversal of 85887259936 is 63995278858.

It can be written as a sum of positive squares in 2 ways, for example, as 80631009936 + 5256250000 = 283956^2 + 72500^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1720501 + ... + 1769716.

Almost surely, 285887259936 is an apocalyptic number.

It is an amenable number.

85887259936 is a deficient number, since it is larger than the sum of its proper divisors (83423215244).

85887259936 is a wasteful number, since it uses less digits than its factorization.

85887259936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490996 (or 3490988 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 70.

The spelling of 85887259936 in words is "eighty-five billion, eight hundred eighty-seven million, two hundred fifty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 769 1538 3076 6152 12304 24608 3490217 6980434 13960868 27921736 55843472 111686944 2683976873 5367953746 10735907492 21471814984 42943629968 85887259936