Base | Representation |
---|---|
bin | 1100000101000100001… |
… | …0110110101101010000 |
3 | 201211122021222102020110 |
4 | 3001101002312231100 |
5 | 11344444120224242 |
6 | 235155453441320 |
7 | 20664331012215 |
oct | 3012102665520 |
9 | 654567872213 |
10 | 207518133072 |
11 | 8000a637918 |
12 | 342754a0240 |
13 | 16751a88923 |
14 | a088793b0c |
15 | 55e84d939c |
hex | 30510b6b50 |
207518133072 has 80 divisors (see below), whose sum is σ = 539929232000. Its totient is φ = 68677632000.
The previous prime is 207518133061. The next prime is 207518133077. The reversal of 207518133072 is 270331815702.
It is a self number, because there is not a number n which added to its sum of digits gives 207518133072.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207518133077) 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, 15656304 + ... + 15669552.
It is an arithmetic number, because the mean of its divisors is an integer number (6749115400).
Almost surely, 2207518133072 is an apocalyptic number.
It is an amenable number.
207518133072 is an abundant number, since it is smaller than the sum of its proper divisors (332411098928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
207518133072 is a wasteful number, since it uses less digits than its factorization.
207518133072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15572 (or 15566 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 39.
Adding to 207518133072 its reverse (270331815702), we get a palindrome (477849948774).
The spelling of 207518133072 in words is "two hundred seven billion, five hundred eighteen million, one hundred thirty-three thousand, seventy-two".
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