Search a number
-
+
22102211011020 = 2235752624311931
BaseRepresentation
bin1010000011010000100100…
…11011111010000111001100
32220020221200002100200210120
411001220102123322013030
510344110312004323040
6115001340543504540
74440555251544510
oct501502233720714
986227602320716
1022102211011020
117051549a04258
12258b6818b8150
13c442ca442c8a
14565a77674140
15284de12427d0
hex141a126fa1cc

22102211011020 has 48 divisors (see below), whose sum is σ = 70727075236608. Its totient is φ = 5051933945280.

The previous prime is 22102211010931. The next prime is 22102211011037. The reversal of 22102211011020 is 2011011220122.

It is a super-2 number, since 2×221022110110202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 26312155546 + ... + 26312156385.

It is an arithmetic number, because the mean of its divisors is an integer number (1473480734096).

Almost surely, 222102211011020 is an apocalyptic number.

22102211011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102211011020 is an abundant number, since it is smaller than the sum of its proper divisors (48624864225588).

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

22102211011020 is a wasteful number, since it uses less digits than its factorization.

22102211011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52624311950 (or 52624311948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22102211011020 its reverse (2011011220122), we get a palindrome (24113222231142).

The spelling of 22102211011020 in words is "twenty-two trillion, one hundred two billion, two hundred eleven million, eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 52624311931 105248623862 157872935793 210497247724 263121559655 315745871586 368370183517 526243119310 631491743172 736740367034 789364678965 1052486238620 1105110550551 1473480734068 1578729357930 1841850917585 2210221101102 3157458715860 3683701835170 4420442202204 5525552752755 7367403670340 11051105505510 22102211011020