Base | Representation |
---|---|
bin | 100001101000101110… |
… | …0011000011101110000 |
3 | 20220110001210122010220 |
4 | 1003101130120131300 |
5 | 2140413214330440 |
6 | 53103351253040 |
7 | 5135003250033 |
oct | 1032134303560 |
9 | 226401718126 |
10 | 72233355120 |
11 | 286a7933903 |
12 | 11bba97a180 |
13 | 6a72057164 |
14 | 36d349701a |
15 | 1d2b71a8d0 |
hex | 10d1718770 |
72233355120 has 80 divisors (see below), whose sum is σ = 223977664512. Its totient is φ = 19257560320.
The previous prime is 72233355083. The next prime is 72233355149. The reversal of 72233355120 is 2155333227.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
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, 1019569 + ... + 1088111.
Almost surely, 272233355120 is an apocalyptic number.
It is an amenable number.
72233355120 is an abundant number, since it is smaller than the sum of its proper divisors (151744309392).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72233355120 is a wasteful number, since it uses less digits than its factorization.
72233355120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72950 (or 72944 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 33.
Adding to 72233355120 its reverse (2155333227), we get a palindrome (74388688347).
The spelling of 72233355120 in words is "seventy-two billion, two hundred thirty-three million, three hundred fifty-five thousand, one hundred twenty".
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