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11805097007 = 111797650813
BaseRepresentation
bin10101111111010001…
…10111110000101111
31010110201101001201002
422333220313300233
5143134101101012
65231224110515
7565353445304
oct127750676057
933421331632
1011805097007
115008740120
12235560543b
131161973502
147ddba50ab
154915c17c2
hex2bfa37c2f

11805097007 has 16 divisors (see below), whose sum is σ = 13776430752. Its totient is φ = 9996472320.

The previous prime is 11805096931. The next prime is 11805097039. The reversal of 11805097007 is 70079050811.

It is a cyclic number.

It is not a de Polignac number, because 11805097007 - 210 = 11805095983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11805097067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307268 + ... + 343545.

It is an arithmetic number, because the mean of its divisors is an integer number (861026922).

Almost surely, 211805097007 is an apocalyptic number.

11805097007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11805097007 is a deficient number, since it is larger than the sum of its proper divisors (1971333745).

11805097007 is a wasteful number, since it uses less digits than its factorization.

11805097007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650938.

The product of its (nonzero) digits is 17640, while the sum is 38.

The spelling of 11805097007 in words is "eleven billion, eight hundred five million, ninety-seven thousand, seven".

Divisors: 1 11 17 97 187 1067 1649 18139 650813 7158943 11063821 63128861 121702031 694417471 1073190637 11805097007