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18035853995 = 523433647291
BaseRepresentation
bin10000110011000001…
…010100101010101011
31201112221122022110102
4100303001110222223
5243414134311440
612141402540015
71205642141465
oct206301245253
951487568412
1018035853995
117715851065
1235b420760b
1319157a4c73
14c314c1135
157085dbb15
hex433054aab

18035853995 has 16 divisors (see below), whose sum is σ = 23109242112. Its totient is φ = 13480383840.

The previous prime is 18035853977. The next prime is 18035854027. The reversal of 18035853995 is 59935853081.

It is not a de Polignac number, because 18035853995 - 210 = 18035852971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18035853995.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818701 + ... + 1828590.

It is an arithmetic number, because the mean of its divisors is an integer number (1444327632).

Almost surely, 218035853995 is an apocalyptic number.

18035853995 is a deficient number, since it is larger than the sum of its proper divisors (5073388117).

18035853995 is a wasteful number, since it uses less digits than its factorization.

18035853995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647362.

The product of its (nonzero) digits is 5832000, while the sum is 56.

The spelling of 18035853995 in words is "eighteen billion, thirty-five million, eight hundred fifty-three thousand, nine hundred ninety-five".

Divisors: 1 5 23 43 115 215 989 4945 3647291 18236455 83887693 156833513 419438465 784167565 3607170799 18035853995