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11323109987 = 710914840249
BaseRepresentation
bin10101000101110100…
…01111001001100011
31002020010102120210222
422202322033021203
5141142204004422
65111325313255
7550411563320
oct124272171143
932203376728
1011323109987
114890667142
12224010582b
1310b5b572a7
14795b7bb47
15464115842
hex2a2e8f263

11323109987 has 8 divisors (see below), whose sum is σ = 13059420000. Its totient is φ = 9616480704.

The previous prime is 11323109971. The next prime is 11323109989. The reversal of 11323109987 is 78990132311.

11323109987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11323109987 - 24 = 11323109971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11323109989) 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 7 ways as a sum of consecutive naturals, for example, 7419362 + ... + 7420887.

It is an arithmetic number, because the mean of its divisors is an integer number (1632427500).

Almost surely, 211323109987 is an apocalyptic number.

11323109987 is a deficient number, since it is larger than the sum of its proper divisors (1736310013).

11323109987 is a wasteful number, since it uses less digits than its factorization.

11323109987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840365.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 11323109987 in words is "eleven billion, three hundred twenty-three million, one hundred nine thousand, nine hundred eighty-seven".

Divisors: 1 7 109 763 14840249 103881743 1617587141 11323109987