Search a number
-
+
11867426087 = 1119103551281
BaseRepresentation
bin10110000110101101…
…01000110100100111
31010122001122201010112
423003112220310213
5143301030113322
65241332043235
7600041312606
oct130326506447
933561581115
1011867426087
11503a941960
12237246351b
13117185761a
1480818ba3d
15496cd45e2
hex2c35a8d27

11867426087 has 16 divisors (see below), whose sum is σ = 13759998720. Its totient is φ = 10121500800.

The previous prime is 11867426041. The next prime is 11867426089. The reversal of 11867426087 is 78062476811.

It is a happy number.

11867426087 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 11867426087 - 214 = 11867409703 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 (11867426089) 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, 254114 + ... + 297167.

It is an arithmetic number, because the mean of its divisors is an integer number (859999920).

Almost surely, 211867426087 is an apocalyptic number.

11867426087 is a deficient number, since it is larger than the sum of its proper divisors (1892572633).

11867426087 is a wasteful number, since it uses less digits than its factorization.

11867426087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551414.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 11867426087 in words is "eleven billion, eight hundred sixty-seven million, four hundred twenty-six thousand, eighty-seven".

Divisors: 1 11 19 103 209 1133 1957 21527 551281 6064091 10474339 56781943 115217729 624601373 1078856917 11867426087