Search a number
-
+
11221313019 = 372272353957
BaseRepresentation
bin10100111001101011…
…11010010111111011
31001222000212202121220
422130311322113323
5140440124004034
65053251403123
7545034405210
oct123465722773
931860782556
1011221313019
114839158614
122211bb34a3
13109aa348b7
1478643db07
1545a208749
hex29cd7a5fb

11221313019 has 16 divisors (see below), whose sum is σ = 17174477568. Its totient is φ = 6383928672.

The previous prime is 11221312987. The next prime is 11221313039. The reversal of 11221313019 is 91031312211.

It is not a de Polignac number, because 11221313019 - 25 = 11221312987 is a prime.

It is a super-2 number, since 2×112213130192 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221313019.

It is not an unprimeable number, because it can be changed into a prime (11221313039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172212 + ... + 1181745.

It is an arithmetic number, because the mean of its divisors is an integer number (1073404848).

Almost surely, 211221313019 is an apocalyptic number.

11221313019 is a deficient number, since it is larger than the sum of its proper divisors (5953164549).

11221313019 is a wasteful number, since it uses less digits than its factorization.

11221313019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354194.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 11221313019 in words is "eleven billion, two hundred twenty-one million, three hundred thirteen thousand, nineteen".

Divisors: 1 3 7 21 227 681 1589 4767 2353957 7061871 16477699 49433097 534348239 1603044717 3740437673 11221313019