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11419768387 = 234397119039
BaseRepresentation
bin10101010001010101…
…11101011001000011
31002110212022100012201
422220222331121003
5141341430042022
65125101134031
7552664300246
oct125052753103
932425270181
1011419768387
114930186015
12226855a317
1310ccb9ab01
147a493d25d
1546c85a127
hex2a8abd643

11419768387 has 16 divisors (see below), whose sum is σ = 12319211520. Its totient is φ = 10559146752.

The previous prime is 11419768363. The next prime is 11419768391. The reversal of 11419768387 is 78386791411.

11419768387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11419768387 - 223 = 11411379779 is a prime.

It is a super-2 number, since 2×114197683872 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11419768487) 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, 36414 + ... + 155452.

It is an arithmetic number, because the mean of its divisors is an integer number (769950720).

Almost surely, 211419768387 is an apocalyptic number.

11419768387 is a deficient number, since it is larger than the sum of its proper divisors (899443133).

11419768387 is a wasteful number, since it uses less digits than its factorization.

11419768387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119202.

The product of its digits is 2032128, while the sum is 55.

The spelling of 11419768387 in words is "eleven billion, four hundred nineteen million, seven hundred sixty-eight thousand, three hundred eighty-seven".

Divisors: 1 23 43 97 989 2231 4171 95933 119039 2737897 5118677 11546783 117729571 265576009 496511669 11419768387