Search a number
-
+
11122131400 = 235255610657
BaseRepresentation
bin10100101101110111…
…00100000111001000
31001201010020211000121
422112323210013020
5140234231201100
65035345513024
7542421362032
oct122673440710
931633224017
1011122131400
114798175a36
1221a4942774
131083319753
147771c2c52
1545166651a
hex296ee41c8

11122131400 has 24 divisors (see below), whose sum is σ = 25858955970. Its totient is φ = 4448852480.

The previous prime is 11122131343. The next prime is 11122131437. The reversal of 11122131400 is 413122111.

It can be written as a sum of positive squares in 3 ways, for example, as 7290768996 + 3831362404 = 85386^2 + 61898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27805129 + ... + 27805528.

Almost surely, 211122131400 is an apocalyptic number.

11122131400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122131400 is an abundant number, since it is smaller than the sum of its proper divisors (14736824570).

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

11122131400 is a wasteful number, since it uses less digits than its factorization.

11122131400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55610673 (or 55610664 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11122131400 its reverse (413122111), we get a palindrome (11535253511).

The spelling of 11122131400 in words is "eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 55610657 111221314 222442628 278053285 444885256 556106570 1112213140 1390266425 2224426280 2780532850 5561065700 11122131400