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112131130321 = 725177382561
BaseRepresentation
bin110100001101110001…
…0010100001111010001
3101201102121111121120201
41220123202110033101
53314121032132241
6123302355135201
711046466611250
oct1503342241721
9351377447521
10112131130321
1143611110941
12198945a4501
13a75cb97372
1455da254797
152db425d931
hex1a1b8943d1

112131130321 has 16 divisors (see below), whose sum is σ = 128828423808. Its totient is φ = 95604480000.

The previous prime is 112131130301. The next prime is 112131130327. The reversal of 112131130321 is 123031131211.

It is a cyclic number.

It is not a de Polignac number, because 112131130321 - 25 = 112131130289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112131130327) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1316881 + ... + 1399441.

It is an arithmetic number, because the mean of its divisors is an integer number (8051776488).

Almost surely, 2112131130321 is an apocalyptic number.

It is an amenable number.

112131130321 is a deficient number, since it is larger than the sum of its proper divisors (16697293487).

112131130321 is an equidigital number, since it uses as much as digits as its factorization.

112131130321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83592.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 112131130321 its reverse (123031131211), we get a palindrome (235162261532).

The spelling of 112131130321 in words is "one hundred twelve billion, one hundred thirty-one million, one hundred thirty thousand, three hundred twenty-one".

Divisors: 1 7 251 773 1757 5411 82561 194023 577927 1358161 20722811 63819653 145059677 446737571 16018732903 112131130321