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2112244401 = 310910396217
BaseRepresentation
bin111110111100110…
…0100101010110001
312110012120010121010
41331321210222301
513311213310101
6545332421133
7103225531641
oct17571445261
95405503533
102112244401
11994341533
124ab4777a9
132787b7177
14160756521
15c56852d6
hex7de64ab1

2112244401 has 16 divisors (see below), whose sum is σ = 2845356800. Its totient is φ = 1393676928.

The previous prime is 2112244397. The next prime is 2112244451. The reversal of 2112244401 is 1044422112.

It is not a de Polignac number, because 2112244401 - 22 = 2112244397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112244451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336645 + ... + 342861.

It is an arithmetic number, because the mean of its divisors is an integer number (177834800).

Almost surely, 22112244401 is an apocalyptic number.

It is an amenable number.

2112244401 is a deficient number, since it is larger than the sum of its proper divisors (733112399).

2112244401 is a wasteful number, since it uses less digits than its factorization.

2112244401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7368.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2112244401 is about 45959.1601424569. The cubic root of 2112244401 is about 1283.0632202787.

Adding to 2112244401 its reverse (1044422112), we get a palindrome (3156666513).

The spelling of 2112244401 in words is "two billion, one hundred twelve million, two hundred forty-four thousand, four hundred one".

Divisors: 1 3 109 327 1039 3117 6217 18651 113251 339753 677653 2032959 6459463 19378389 704081467 2112244401