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2112544430 = 25991213173
BaseRepresentation
bin111110111101010…
…1101111010101110
312110020010101011022
41331322231322232
513311302410210
6545343054142
7103231221443
oct17572557256
95406111138
102112544430
11994526997
124ab5a1352
132788908b9
141607d39ca
15c56e4155
hex7deadeae

2112544430 has 16 divisors (see below), whose sum is σ = 3806434944. Its totient is φ = 844161120.

The previous prime is 2112544397. The next prime is 2112544471. The reversal of 2112544430 is 344452112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112544430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96677 + ... + 116496.

It is an arithmetic number, because the mean of its divisors is an integer number (237902184).

Almost surely, 22112544430 is an apocalyptic number.

2112544430 is a deficient number, since it is larger than the sum of its proper divisors (1693890514).

2112544430 is a wasteful number, since it uses less digits than its factorization.

2112544430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214171.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2112544430 is about 45962.4241092656. The cubic root of 2112544430 is about 1283.1239673446.

Adding to 2112544430 its reverse (344452112), we get a palindrome (2456996542).

The spelling of 2112544430 in words is "two billion, one hundred twelve million, five hundred forty-four thousand, four hundred thirty".

Divisors: 1 2 5 10 991 1982 4955 9910 213173 426346 1065865 2131730 211254443 422508886 1056272215 2112544430