Search a number
-
+
11887622843 = 61425945757
BaseRepresentation
bin10110001001000111…
…01011101010111011
31010200110122210212112
423010203223222323
5143321212412333
65243333002535
7600405061355
oct130443535273
933613583775
1011887622843
115050286a98
12237918344b
131175aa9475
1480ab280d5
15498973948
hex2c48ebabb

11887622843 has 8 divisors (see below), whose sum is σ = 12085602960. Its totient is φ = 11689742880.

The previous prime is 11887622839. The next prime is 11887622867. The reversal of 11887622843 is 34822678811.

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 11887622843 - 22 = 11887622839 is a prime.

It is a super-3 number, since 3×118876228433 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11887622791 and 11887622800.

It is not an unprimeable number, because it can be changed into a prime (11887622543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236921 + ... + 282677.

It is an arithmetic number, because the mean of its divisors is an integer number (1510700370).

Almost surely, 211887622843 is an apocalyptic number.

11887622843 is a deficient number, since it is larger than the sum of its proper divisors (197980117).

11887622843 is an equidigital number, since it uses as much as digits as its factorization.

11887622843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50077.

The product of its digits is 1032192, while the sum is 50.

The spelling of 11887622843 in words is "eleven billion, eight hundred eighty-seven million, six hundred twenty-two thousand, eight hundred forty-three".

Divisors: 1 61 4259 45757 259799 2791177 194879063 11887622843