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2127228634 = 22393444469
BaseRepresentation
bin111111011001010…
…1110111011011010
312111020202102002201
41332302232323122
513324032304014
6551025520414
7103500100516
oct17662567332
95436672081
102127228634
119a18463a3
124b44a310a
1327b93258b
14162737146
15c6b44e74
hex7ecaeeda

2127228634 has 8 divisors (see below), whose sum is σ = 3192183540. Its totient is φ = 1063167456.

The previous prime is 2127228629. The next prime is 2127228637. The reversal of 2127228634 is 4368227212.

It can be written as a sum of positive squares in 2 ways, for example, as 2124933409 + 2295225 = 46097^2 + 1515^2 .

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

It is a super-2 number, since 2×21272286342 = 9050203322619011912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2127228593 and 2127228602.

It is not an unprimeable number, because it can be changed into a prime (2127228637) 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, 217449 + ... + 227020.

Almost surely, 22127228634 is an apocalyptic number.

2127228634 is a deficient number, since it is larger than the sum of its proper divisors (1064954906).

2127228634 is a wasteful number, since it uses less digits than its factorization.

2127228634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446864.

The product of its digits is 64512, while the sum is 37.

The square root of 2127228634 is about 46121.8888815278. Note that the first 5 decimals coincide. The cubic root of 2127228634 is about 1286.0900850106.

The spelling of 2127228634 in words is "two billion, one hundred twenty-seven million, two hundred twenty-eight thousand, six hundred thirty-four".

Divisors: 1 2 2393 4786 444469 888938 1063614317 2127228634