Search a number
-
+
2112121211182 = 21723961259969
BaseRepresentation
bin11110101111000100001…
…111000000100100101110
321110220202100200112001021
4132233010033000210232
5234101111012224212
64254143423404354
7305411222034463
oct36570417004456
97426670615037
102112121211182
117448223a7294
122a14151536ba
13124231367908
147432768166a
1539e1b42c307
hex1ebc43c092e

2112121211182 has 8 divisors (see below), whose sum is σ = 3168365648400. Its totient is φ = 1055999328384.

The previous prime is 2112121211159. The next prime is 2112121211197. The reversal of 2112121211182 is 2811121212112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21121212111822 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30595507 + ... + 30664462.

It is an arithmetic number, because the mean of its divisors is an integer number (396045706050).

Almost surely, 22112121211182 is an apocalyptic number.

2112121211182 is a deficient number, since it is larger than the sum of its proper divisors (1056244437218).

2112121211182 is a wasteful number, since it uses less digits than its factorization.

2112121211182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61277210.

The product of its digits is 256, while the sum is 25.

Adding to 2112121211182 its reverse (2811121212112), we get a palindrome (4923242423294).

The spelling of 2112121211182 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred eleven thousand, one hundred eighty-two".

Divisors: 1 2 17239 34478 61259969 122519938 1056060605591 2112121211182