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11880806399 = 711154296187
BaseRepresentation
bin10110001000010011…
…01011011111111111
31010122222211111110122
423010021223133333
5143312441301044
65242530525155
7600263121350
oct130411533777
933588744418
1011880806399
115047450770
122376a367bb
131174560977
14809c71d27
15498078dee
hex2c426b7ff

11880806399 has 8 divisors (see below), whose sum is σ = 14812434048. Its totient is φ = 9257771160.

The previous prime is 11880806347. The next prime is 11880806417. The reversal of 11880806399 is 99360808811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11880806399 - 28 = 11880806143 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 11880806399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880806339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77148017 + ... + 77148170.

It is an arithmetic number, because the mean of its divisors is an integer number (1851554256).

Almost surely, 211880806399 is an apocalyptic number.

11880806399 is a deficient number, since it is larger than the sum of its proper divisors (2931627649).

11880806399 is a wasteful number, since it uses less digits than its factorization.

11880806399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154296205.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 11880806399 in words is "eleven billion, eight hundred eighty million, eight hundred six thousand, three hundred ninety-nine".

Divisors: 1 7 11 77 154296187 1080073309 1697258057 11880806399