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22113131210 = 253821957859
BaseRepresentation
bin10100100110000010…
…111001101011001010
32010002002202110022122
4110212002321223022
5330241430144320
614054133051242
71411661341202
oct244602715312
963062673278
1022113131210
119418316855
124351786b22
132115412631
1410dabcd402
15896528d25
hex5260b9aca

22113131210 has 16 divisors (see below), whose sum is σ = 39805365600. Its totient is φ = 8844868176.

The previous prime is 22113131197. The next prime is 22113131213. The reversal of 22113131210 is 1213131122.

It is not an unprimeable number, because it can be changed into a prime (22113131213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353261 + ... + 411119.

It is an arithmetic number, because the mean of its divisors is an integer number (2487835350).

Almost surely, 222113131210 is an apocalyptic number.

22113131210 is a deficient number, since it is larger than the sum of its proper divisors (17692234390).

22113131210 is a wasteful number, since it uses less digits than its factorization.

22113131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96085.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22113131210 its reverse (1213131122), we get a palindrome (23326262332).

The spelling of 22113131210 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 38219 57859 76438 115718 191095 289295 382190 578590 2211313121 4422626242 11056565605 22113131210