Base | Representation |
---|---|
bin | 10100111001110001… |
… | …00111000101011000 |
3 | 1001222002012201000200 |
4 | 22130320213011120 |
5 | 140440314123230 |
6 | 5053314502200 |
7 | 545043412521 |
oct | 123470470530 |
9 | 31862181020 |
10 | 11222020440 |
11 | 48395a1064 |
12 | 2212294960 |
13 | 109ac218a7 |
14 | 786585848 |
15 | 45a2e8160 |
hex | 29ce27158 |
11222020440 has 96 divisors (see below), whose sum is σ = 36734115600. Its totient is φ = 2970996480.
The previous prime is 11222020421. The next prime is 11222020499. The reversal of 11222020440 is 4402022211.
11222020440 is a `hidden beast` number, since 1 + 1 + 2 + 220 + 2 + 0 + 440 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62091 + ... + 162170.
Almost surely, 211222020440 is an apocalyptic number.
11222020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11222020440 is an abundant number, since it is smaller than the sum of its proper divisors (25512095160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11222020440 is a wasteful number, since it uses less digits than its factorization.
11222020440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224417 (or 224410 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 11222020440 its reverse (4402022211), we get a palindrome (15624042651).
The spelling of 11222020440 in words is "eleven billion, two hundred twenty-two million, twenty thousand, four hundred forty".
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