Search a number
-
+
11122010020 = 2251150554591
BaseRepresentation
bin10100101101110110…
…00110011110100100
31001201010000122112001
422112323012132210
5140234213310040
65035343135044
7542420345122
oct122673063644
931633018461
1011122010020
1147980a2820
1221a48a4484
1310832a6424
14777190912
1545164059a
hex296ec67a4

11122010020 has 24 divisors (see below), whose sum is σ = 25479514368. Its totient is φ = 4044367200.

The previous prime is 11122009991. The next prime is 11122010021. The reversal of 11122010020 is 2001022111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11122009979 and 11122010006.

It is not an unprimeable number, because it can be changed into a prime (11122010021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25277076 + ... + 25277515.

It is an arithmetic number, because the mean of its divisors is an integer number (1061646432).

Almost surely, 211122010020 is an apocalyptic number.

11122010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122010020 is an abundant number, since it is smaller than the sum of its proper divisors (14357504348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11122010020 is a wasteful number, since it uses less digits than its factorization.

11122010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50554611 (or 50554609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11122010020 its reverse (2001022111), we get a palindrome (13123032131).

The spelling of 11122010020 in words is "eleven billion, one hundred twenty-two million, ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 50554591 101109182 202218364 252772955 505545910 556100501 1011091820 1112201002 2224402004 2780502505 5561005010 11122010020