Search a number
-
+
112102120331 = 161237695263
BaseRepresentation
bin110100001100111001…
…1101001101110001011
3101201100120220202100122
41220121303221232023
53314041120322311
6123255441253455
711045665205105
oct1503163515613
9351316822318
10112102120331
11435a67a7243
121988693428b
13a756b7aba6
1455d6462575
152db192d0db
hex1a19ce9b8b

112102120331 has 4 divisors (see below), whose sum is σ = 112102976832. Its totient is φ = 112101263832.

The previous prime is 112102120321. The next prime is 112102120393. The reversal of 112102120331 is 133021201211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112102120331 is a prime.

It is a super-2 number, since 2×1121021203312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112102120321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186395 + ... + 508868.

It is an arithmetic number, because the mean of its divisors is an integer number (28025744208).

Almost surely, 2112102120331 is an apocalyptic number.

112102120331 is a deficient number, since it is larger than the sum of its proper divisors (856501).

112102120331 is an equidigital number, since it uses as much as digits as its factorization.

112102120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856500.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 112102120331 its reverse (133021201211), we get a palindrome (245123321542).

The spelling of 112102120331 in words is "one hundred twelve billion, one hundred two million, one hundred twenty thousand, three hundred thirty-one".

Divisors: 1 161237 695263 112102120331