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112123103221 = 1930371943107
BaseRepresentation
bin110100001101100001…
…1101100011111110101
3101201102001101210110201
41220123003230133311
53314112003300341
6123301511120501
711046341436523
oct1503303543765
9351361353421
10112123103221
1143607628a78
1219891973131
13a75b3167bc
1455d9165313
152db36c5331
hex1a1b0ec7f5

112123103221 has 8 divisors (see below), whose sum is σ = 118063242080. Its totient is φ = 106186856688.

The previous prime is 112123103159. The next prime is 112123103231. The reversal of 112123103221 is 122301321211.

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 112123103221 - 215 = 112123070453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123103231) 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, 913851 + ... + 1029256.

It is an arithmetic number, because the mean of its divisors is an integer number (14757905260).

Almost surely, 2112123103221 is an apocalyptic number.

It is an amenable number.

112123103221 is a deficient number, since it is larger than the sum of its proper divisors (5940138859).

112123103221 is a wasteful number, since it uses less digits than its factorization.

112123103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946163.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112123103221 its reverse (122301321211), we get a palindrome (234424424432).

The spelling of 112123103221 in words is "one hundred twelve billion, one hundred twenty-three million, one hundred three thousand, two hundred twenty-one".

Divisors: 1 19 3037 57703 1943107 36919033 5901215959 112123103221