Search a number
-
+
112020000221 = 239294681349
BaseRepresentation
bin110100001010011101…
…0011000110111011101
3101201010212101121202002
41220110322120313131
53313404110001341
6123243345212045
711043650201633
oct1502472306735
9351125347662
10112020000221
1143564408188
1219863331025
13a742b577cc
1455c95a7353
152da960b29b
hex1a14e98ddd

112020000221 has 4 divisors (see below), whose sum is σ = 112024705500. Its totient is φ = 112015294944.

The previous prime is 112020000217. The next prime is 112020000233. The reversal of 112020000221 is 122000020211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122000020211 = 784391555349.

It can be written as a sum of positive squares in 2 ways, for example, as 45747220996 + 66272779225 = 213886^2 + 257435^2 .

It is a cyclic number.

It is not a de Polignac number, because 112020000221 - 22 = 112020000217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020020221) 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, 2316746 + ... + 2364603.

It is an arithmetic number, because the mean of its divisors is an integer number (28006176375).

Almost surely, 2112020000221 is an apocalyptic number.

It is an amenable number.

112020000221 is a deficient number, since it is larger than the sum of its proper divisors (4705279).

112020000221 is an equidigital number, since it uses as much as digits as its factorization.

112020000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705278.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112020000221 its reverse (122000020211), we get a palindrome (234020020432).

The spelling of 112020000221 in words is "one hundred twelve billion, twenty million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 23929 4681349 112020000221