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11670968865 = 356771149283
BaseRepresentation
bin10101101111010010…
…01101101000100001
31010010100222122111010
422313221031220201
5142400232000430
65210033211133
7562134412203
oct126751155041
933110878433
1011670968865
114a49a59716
122318700aa9
13113cc40a4a
147ca04c773
15484929cb0
hex2b7a4da21

11670968865 has 16 divisors (see below), whose sum is σ = 18701149248. Its totient is φ = 6215317056.

The previous prime is 11670968863. The next prime is 11670968873. The reversal of 11670968865 is 56886907611.

11670968865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11670968865 - 21 = 11670968863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11670968863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564487 + ... + 584796.

It is an arithmetic number, because the mean of its divisors is an integer number (1168821828).

Almost surely, 211670968865 is an apocalyptic number.

11670968865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11670968865 is a deficient number, since it is larger than the sum of its proper divisors (7030180383).

11670968865 is a wasteful number, since it uses less digits than its factorization.

11670968865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149968.

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 11670968865 in words is "eleven billion, six hundred seventy million, nine hundred sixty-eight thousand, eight hundred sixty-five".

Divisors: 1 3 5 15 677 2031 3385 10155 1149283 3447849 5746415 17239245 778064591 2334193773 3890322955 11670968865