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11809076111 = 74359876553
BaseRepresentation
bin10101111111110000…
…00011001110001111
31010110222212020000022
422333320003032033
5143141110413421
65231445252355
7565432330220
oct127770031617
933428766008
1011809076111
11500aa08738
122356a040bb
131162737701
1480051d247
15491b0a7ab
hex2bfe0338f

11809076111 has 16 divisors (see below), whose sum is σ = 13814363904. Its totient is φ = 9883508544.

The previous prime is 11809076107. The next prime is 11809076113. The reversal of 11809076111 is 11167090811.

It is not a de Polignac number, because 11809076111 - 22 = 11809076107 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 (11809076113) 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, 1798811 + ... + 1805363.

It is an arithmetic number, because the mean of its divisors is an integer number (863397744).

Almost surely, 211809076111 is an apocalyptic number.

11809076111 is a deficient number, since it is larger than the sum of its proper divisors (2005287793).

11809076111 is an equidigital number, since it uses as much as digits as its factorization.

11809076111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 3024, while the sum is 35.

The spelling of 11809076111 in words is "eleven billion, eight hundred nine million, seventy-six thousand, one hundred eleven".

Divisors: 1 7 43 301 5987 6553 41909 45871 257441 281779 1802087 1972453 39232811 274629677 1687010873 11809076111