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10011022220 = 2251796730449
BaseRepresentation
bin10010101001011010…
…00001001110001100
3221211200111121202202
421110231001032030
5131000310202340
64333214541032
7503040166463
oct112455011614
927750447682
1010011022220
114277a63191
121b34807778
13c370793b4
146ad7d19da
153d8d38c15
hex254b4138c

10011022220 has 48 divisors (see below), whose sum is σ = 22283553600. Its totient is φ = 3764834304.

The previous prime is 10011022207. The next prime is 10011022267. The reversal of 10011022220 is 2222011001.

It is a happy 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, 313556 + ... + 344004.

It is an arithmetic number, because the mean of its divisors is an integer number (464240700).

Almost surely, 210011022220 is an apocalyptic number.

10011022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011022220 is an abundant number, since it is smaller than the sum of its proper divisors (12272531380).

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

10011022220 is a wasteful number, since it uses less digits than its factorization.

10011022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31442 (or 31440 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10011022220 its reverse (2222011001), we get a palindrome (12233033221).

The spelling of 10011022220 in words is "ten billion, eleven million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 967 1934 3868 4835 9670 16439 19340 30449 32878 60898 65756 82195 121796 152245 164390 304490 328780 517633 608980 1035266 2070532 2588165 5176330 10352660 29444183 58888366 117776732 147220915 294441830 500551111 588883660 1001102222 2002204444 2502755555 5005511110 10011022220