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2112343454 = 21381243979
BaseRepresentation
bin111110111100111…
…1100110110011110
312110012202011110202
41331321330312132
513311224442304
6545334503502
7103226423504
oct17571746636
95405664422
102112343454
119943a99a1
124ab504b92
13278820290
14160780674
15c56a481e
hex7de7cd9e

2112343454 has 8 divisors (see below), whose sum is σ = 3412247160. Its totient is φ = 974927736.

The previous prime is 2112343451. The next prime is 2112343459. The reversal of 2112343454 is 4543432112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112343451) 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, 40621964 + ... + 40622015.

It is an arithmetic number, because the mean of its divisors is an integer number (426530895).

Almost surely, 22112343454 is an apocalyptic number.

2112343454 is a deficient number, since it is larger than the sum of its proper divisors (1299903706).

2112343454 is a wasteful number, since it uses less digits than its factorization.

2112343454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81243994.

The product of its digits is 11520, while the sum is 29.

The square root of 2112343454 is about 45960.2377496026. The cubic root of 2112343454 is about 1283.0832762398.

Adding to 2112343454 its reverse (4543432112), we get a palindrome (6655775566).

The spelling of 2112343454 in words is "two billion, one hundred twelve million, three hundred forty-three thousand, four hundred fifty-four".

Divisors: 1 2 13 26 81243979 162487958 1056171727 2112343454