Search a number
-
+
112211201209 = 379296071771
BaseRepresentation
bin110100010000001001…
…1110000110010111001
3101201122012011122012011
41220200103300302321
53314302031414314
6123314335245521
711051461321132
oct1504023606271
9351565148164
10112211201209
1143652330328
12198b73798a1
13a773650aa3
145606b38c89
152dbb2c84c4
hex1a204f0cb9

112211201209 has 4 divisors (see below), whose sum is σ = 112507273360. Its totient is φ = 111915129060.

The previous prime is 112211201191. The next prime is 112211201261. The reversal of 112211201209 is 902102112211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112211201209 - 29 = 112211200697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112211201209.

It is not an unprimeable number, because it can be changed into a prime (112211201299) 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, 148035507 + ... + 148036264.

It is an arithmetic number, because the mean of its divisors is an integer number (28126818340).

Almost surely, 2112211201209 is an apocalyptic number.

It is an amenable number.

112211201209 is a deficient number, since it is larger than the sum of its proper divisors (296072151).

112211201209 is an equidigital number, since it uses as much as digits as its factorization.

112211201209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296072150.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 112211201209 in words is "one hundred twelve billion, two hundred eleven million, two hundred one thousand, two hundred nine".

Divisors: 1 379 296071771 112211201209