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22203231230 = 2583155917159
BaseRepresentation
bin10100101011011010…
…100110101111111110
32010022101022000022102
4110223122212233332
5330433011344410
614111112145102
71414134231365
oct245332465776
963271260272
1022203231230
119464166284
124377998192
13212ac9ac5b
141108b647dc
1589e3c52a5
hex52b6a6bfe

22203231230 has 32 divisors (see below), whose sum is σ = 40475635200. Its totient is φ = 8768149792.

The previous prime is 22203231229. The next prime is 22203231241. The reversal of 22203231230 is 3213230222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285391 + ... + 1302549.

It is an arithmetic number, because the mean of its divisors is an integer number (1264863600).

Almost surely, 222203231230 is an apocalyptic number.

22203231230 is a deficient number, since it is larger than the sum of its proper divisors (18272403970).

22203231230 is a wasteful number, since it uses less digits than its factorization.

22203231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18808.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22203231230 its reverse (3213230222), we get a palindrome (25416461452).

The spelling of 22203231230 in words is "twenty-two billion, two hundred three million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 1559 3118 7795 15590 17159 34318 85795 129397 171590 258794 646985 1293970 1424197 2848394 7120985 14241970 26750881 53501762 133754405 267508810 2220323123 4440646246 11101615615 22203231230