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10530220266 = 233195004079
BaseRepresentation
bin10011100111010011…
…00110100011101010
31000011212110121121000
421303221212203222
5133031214022031
64500523055430
7521643252426
oct116351464352
930155417530
1010530220266
114514042385
12205a671576
13cba7c3887
1471c743b86
154196e53e6
hex273a668ea

10530220266 has 16 divisors (see below), whose sum is σ = 23400489600. Its totient is φ = 3510073404.

The previous prime is 10530220243. The next prime is 10530220271. The reversal of 10530220266 is 66202203501.

It is a super-2 number, since 2×105302202662 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 97501986 + ... + 97502093.

It is an arithmetic number, because the mean of its divisors is an integer number (1462530600).

Almost surely, 210530220266 is an apocalyptic number.

10530220266 is an abundant number, since it is smaller than the sum of its proper divisors (12870269334).

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

10530220266 is a wasteful number, since it uses less digits than its factorization.

10530220266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195004090 (or 195004084 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 10530220266 its reverse (66202203501), we get a palindrome (76732423767).

The spelling of 10530220266 in words is "ten billion, five hundred thirty million, two hundred twenty thousand, two hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 195004079 390008158 585012237 1170024474 1755036711 3510073422 5265110133 10530220266