Base | Representation |
---|---|
bin | 1100110100010001010… |
… | …1000111111111111100 |
3 | 210001100101210202110000 |
4 | 3031010111013333330 |
5 | 12101422032024242 |
6 | 245053113514300 |
7 | 21623335513053 |
oct | 3150425077774 |
9 | 701311722400 |
10 | 220189720572 |
11 | 854223a2088 |
12 | 36811112990 |
13 | 179c10c22b3 |
14 | a92b67139a |
15 | 5adabb8a4c |
hex | 3344547ffc |
220189720572 has 60 divisors (see below), whose sum is σ = 594187819456. Its totient is φ = 71028938880.
The previous prime is 220189720547. The next prime is 220189720579. The reversal of 220189720572 is 275027981022.
220189720572 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 8 + 9 + 72 + 0 + 572 = 666.
It is a super-5 number, since 5×2201897205725 (a number of 58 digits) contains 55555 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220189720579) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10951213 + ... + 10971300.
Almost surely, 2220189720572 is an apocalyptic number.
It is an amenable number.
220189720572 is an abundant number, since it is smaller than the sum of its proper divisors (373998098884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220189720572 is a wasteful number, since it uses less digits than its factorization.
220189720572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21922560 (or 21922549 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 220189720572 in words is "two hundred twenty billion, one hundred eighty-nine million, seven hundred twenty thousand, five hundred seventy-two".
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