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11269990985 = 511257797311
BaseRepresentation
bin10100111111011111…
…00110101001001001
31002002102110212020112
422133233212221021
5141040104202420
65102151004105
7546165225401
oct123757465111
932072425215
1011269990985
114863686040
122226369635
1310a7b49326
1478cab1801
1545e6218c5
hex29fbe6a49

11269990985 has 16 divisors (see below), whose sum is σ = 14810867712. Its totient is φ = 8164454400.

The previous prime is 11269990939. The next prime is 11269990997. The reversal of 11269990985 is 58909996211.

It is not a de Polignac number, because 11269990985 - 214 = 11269974601 is a prime.

It is a Duffinian 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, 384521 + ... + 412790.

It is an arithmetic number, because the mean of its divisors is an integer number (925679232).

Almost surely, 211269990985 is an apocalyptic number.

It is an amenable number.

11269990985 is a deficient number, since it is larger than the sum of its proper divisors (3540876727).

11269990985 is a wasteful number, since it uses less digits than its factorization.

11269990985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797584.

The product of its (nonzero) digits is 3149280, while the sum is 59.

The spelling of 11269990985 in words is "eleven billion, two hundred sixty-nine million, nine hundred ninety thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 257 1285 2827 14135 797311 3986555 8770421 43852105 204908927 1024544635 2253998197 11269990985