Search a number
-
+
112542110121 = 375359148101
BaseRepresentation
bin110100011010000001…
…0000101000110101001
3101202111020211112212210
41220310002011012221
53320441240010441
6123411235555333
711062620103140
oct1506402050651
9352436745783
10112542110121
11438020a6071
121998a15bb49
13a7c708148c
145638a76757
152dda390616
hex1a340851a9

112542110121 has 8 divisors (see below), whose sum is σ = 171492739264. Its totient is φ = 64309777200.

The previous prime is 112542110089. The next prime is 112542110123. The reversal of 112542110121 is 121011245211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112542110121 - 25 = 112542110089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5359148101 = 112542110121 / (1 + 1 + 2 + 5 + 4 + 2 + 1 + 1 + 0 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (112542110123) 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, 2679574030 + ... + 2679574071.

It is an arithmetic number, because the mean of its divisors is an integer number (21436592408).

Almost surely, 2112542110121 is an apocalyptic number.

It is an amenable number.

112542110121 is a deficient number, since it is larger than the sum of its proper divisors (58950629143).

112542110121 is an equidigital number, since it uses as much as digits as its factorization.

112542110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359148111.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 112542110121 its reverse (121011245211), we get a palindrome (233553355332).

The spelling of 112542110121 in words is "one hundred twelve billion, five hundred forty-two million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 7 21 5359148101 16077444303 37514036707 112542110121