Base | Representation |
---|---|
bin | 100000010100000011010… |
… | …001101000001000101000 |
3 | 21212021122011022101011121 |
4 | 200110003101220020220 |
5 | 242340143034411040 |
6 | 4420035154105024 |
7 | 316300242310456 |
oct | 40240321501050 |
9 | 7767564271147 |
10 | 2220553044520 |
11 | 786805338598 |
12 | 2ba43687b174 |
13 | 1315219c6345 |
14 | 796924999d6 |
15 | 3cb65a12c4a |
hex | 20503468228 |
2220553044520 has 64 divisors (see below), whose sum is σ = 5127541056000. Its totient is φ = 865155817728.
The previous prime is 2220553044449. The next prime is 2220553044527. The reversal of 2220553044520 is 254403550222.
It is a super-2 number, since 2×22205530445202 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2220553044527) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4058872 + ... + 4573351.
It is an arithmetic number, because the mean of its divisors is an integer number (80117829000).
Almost surely, 22220553044520 is an apocalyptic number.
2220553044520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220553044520 is an abundant number, since it is smaller than the sum of its proper divisors (2906988011480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220553044520 is a wasteful number, since it uses less digits than its factorization.
2220553044520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8632402 (or 8632398 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 34.
Adding to 2220553044520 its reverse (254403550222), we get a palindrome (2474956594742).
The spelling of 2220553044520 in words is "two trillion, two hundred twenty billion, five hundred fifty-three million, forty-four thousand, five hundred twenty".
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