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112121431122 = 2318686905187
BaseRepresentation
bin110100001101011110…
…1010100010001010010
3101201101221020211210010
41220122331110101102
53314111041243442
6123301411215350
711046321303561
oct1503275242122
9351357224703
10112121431122
1143606696778
12198912a7556
13a75ab7c6ac
1455d8c4bbd8
152db3494b9c
hex1a1af54452

112121431122 has 8 divisors (see below), whose sum is σ = 224242862256. Its totient is φ = 37373810372.

The previous prime is 112121431109. The next prime is 112121431141. The reversal of 112121431122 is 221134121211.

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

112121431122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9343452588 + ... + 9343452599.

It is an arithmetic number, because the mean of its divisors is an integer number (28030357782).

Almost surely, 2112121431122 is an apocalyptic number.

112121431122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112121431122 is a wasteful number, since it uses less digits than its factorization.

112121431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18686905192.

The product of its digits is 192, while the sum is 21.

Adding to 112121431122 its reverse (221134121211), we get a palindrome (333255552333).

The spelling of 112121431122 in words is "one hundred twelve billion, one hundred twenty-one million, four hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 18686905187 37373810374 56060715561 112121431122