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18795252605 = 5127153119333
BaseRepresentation
bin10001100000010010…
…001100101101111101
31210111212120202111212
4101200102030231331
5301443041040410
612345011254205
71233523003553
oct214022145575
953455522455
1018795252605
117a75480518
1237865aa365
131a06c1065c
14ca42bbbd3
157500e3b05
hex46048cb7d

18795252605 has 16 divisors (see below), whose sum is σ = 22747920384. Its totient is φ = 14907291840.

The previous prime is 18795252583. The next prime is 18795252709. The reversal of 18795252605 is 50625259781.

It is not a de Polignac number, because 18795252605 - 216 = 18795187069 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 962519 + ... + 981851.

It is an arithmetic number, because the mean of its divisors is an integer number (1421745024).

Almost surely, 218795252605 is an apocalyptic number.

It is an amenable number.

18795252605 is a deficient number, since it is larger than the sum of its proper divisors (3952667779).

18795252605 is a wasteful number, since it uses less digits than its factorization.

18795252605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20996.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 18795252605 in words is "eighteen billion, seven hundred ninety-five million, two hundred fifty-two thousand, six hundred five".

Divisors: 1 5 127 635 1531 7655 19333 96665 194437 972185 2455291 12276455 29598823 147994115 3759050521 18795252605