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112123023221 = 1122744903093
BaseRepresentation
bin110100001101100001…
…1011000111101110101
3101201102001020201201202
41220123003120331311
53314111443220341
6123301505302245
711046340654346
oct1503303307565
9351361221652
10112123023221
1143607583960
1219891934985
13a75b2b9271
1455d91440cd
152db36ab79b
hex1a1b0d8f75

112123023221 has 8 divisors (see below), whose sum is σ = 122854865184. Its totient is φ = 101480987920.

The previous prime is 112123023217. The next prime is 112123023239. The reversal of 112123023221 is 122320321211.

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

It is a cyclic number.

It is not a de Polignac number, because 112123023221 - 22 = 112123023217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112123023193 and 112123023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123623221) 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, 22449050 + ... + 22454043.

It is an arithmetic number, because the mean of its divisors is an integer number (15356858148).

Almost surely, 2112123023221 is an apocalyptic number.

112123023221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112123023221 is a deficient number, since it is larger than the sum of its proper divisors (10731841963).

112123023221 is a wasteful number, since it uses less digits than its factorization.

112123023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44903331.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 112123023221 its reverse (122320321211), we get a palindrome (234443344432).

The spelling of 112123023221 in words is "one hundred twelve billion, one hundred twenty-three million, twenty-three thousand, two hundred twenty-one".

Divisors: 1 11 227 2497 44903093 493934023 10193002111 112123023221