Search a number
-
+
11130309979 = 12451893929
BaseRepresentation
bin10100101110110101…
…10000110101011011
31001201200122022220221
422113122300311123
5140243324404404
65040241100511
7542551034215
oct122732606533
931650568827
1011130309979
1147a1851698
1221a7627737
131084c21249
147783115b5
1545222e954
hex2976b0d5b

11130309979 has 4 divisors (see below), whose sum is σ = 11131216360. Its totient is φ = 11129403600.

The previous prime is 11130309923. The next prime is 11130310003. The reversal of 11130309979 is 97990303111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11130309979 - 211 = 11130307931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11130379979) 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 3 ways as a sum of consecutive naturals, for example, 434514 + ... + 459415.

It is an arithmetic number, because the mean of its divisors is an integer number (2782804090).

Almost surely, 211130309979 is an apocalyptic number.

11130309979 is a deficient number, since it is larger than the sum of its proper divisors (906381).

11130309979 is an equidigital number, since it uses as much as digits as its factorization.

11130309979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906380.

The product of its (nonzero) digits is 45927, while the sum is 43.

The spelling of 11130309979 in words is "eleven billion, one hundred thirty million, three hundred nine thousand, nine hundred seventy-nine".

Divisors: 1 12451 893929 11130309979