Search a number
-
+
12100211033213 = 47257451298579
BaseRepresentation
bin1011000000010100110011…
…0001111100010001111101
31120211202202111211001012002
42300011030301330101331
53041222213011030323
641422432112152045
72356132336520132
oct260051461742175
946752674731162
1012100211033213
113945741749316
121435128238625
1369a077b4a544
142db920a94589
1515eb4a943828
hexb014cc7c47d

12100211033213 has 4 divisors (see below), whose sum is σ = 12357662331840. Its totient is φ = 11842759734588.

The previous prime is 12100211033173. The next prime is 12100211033227. The reversal of 12100211033213 is 31233011200121.

It is a happy number.

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 12100211033213 - 212 = 12100211029117 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 (12100211033513) 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, 128725649243 + ... + 128725649336.

It is an arithmetic number, because the mean of its divisors is an integer number (3089415582960).

Almost surely, 212100211033213 is an apocalyptic number.

It is an amenable number.

12100211033213 is a deficient number, since it is larger than the sum of its proper divisors (257451298627).

12100211033213 is an equidigital number, since it uses as much as digits as its factorization.

12100211033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257451298626.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12100211033213 its reverse (31233011200121), we get a palindrome (43333222233334).

The spelling of 12100211033213 in words is "twelve trillion, one hundred billion, two hundred eleven million, thirty-three thousand, two hundred thirteen".

Divisors: 1 47 257451298579 12100211033213