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22219861930 = 257289509513
BaseRepresentation
bin10100101100011010…
…000010111110101010
32010100112120221100021
4110230122002332222
5331001241040210
614112504431054
71414425465400
oct245432027652
963315527307
1022219861930
119472595162
12438147848a
1321315718c6
14110b053470
158a0aacbda
hex52c682faa

22219861930 has 48 divisors (see below), whose sum is σ = 47048522760. Its totient is φ = 7532625408.

The previous prime is 22219861903. The next prime is 22219861949. The reversal of 22219861930 is 3916891222.

It can be written as a sum of positive squares in 4 ways, for example, as 9061707249 + 13158154681 = 95193^2 + 114709^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211147 + ... + 298366.

Almost surely, 222219861930 is an apocalyptic number.

22219861930 is an abundant number, since it is smaller than the sum of its proper divisors (24828660830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22219861930 is a wasteful number, since it uses less digits than its factorization.

22219861930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509623 (or 509616 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 22219861930 in words is "twenty-two billion, two hundred nineteen million, eight hundred sixty-one thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 89 98 178 245 445 490 623 890 1246 3115 4361 6230 8722 21805 43610 509513 1019026 2547565 3566591 5095130 7133182 17832955 24966137 35665910 45346657 49932274 90693314 124830685 226733285 249661370 317426599 453466570 634853198 1587132995 2221986193 3174265990 4443972386 11109930965 22219861930