Base | Representation |
---|---|
bin | 100001100010101011… |
… | …0010101110011110010 |
3 | 20212220220222201111100 |
4 | 1003011112111303302 |
5 | 2140004243213121 |
6 | 53031302225230 |
7 | 5126660451516 |
oct | 1030526256362 |
9 | 225826881440 |
10 | 72030444786 |
11 | 28603343313 |
12 | 11b62a25216 |
13 | 6a3bcc1281 |
14 | 36b4558146 |
15 | 1d189d9026 |
hex | 10c5595cf2 |
72030444786 has 48 divisors (see below), whose sum is σ = 160315646400. Its totient is φ = 23356607904.
The previous prime is 72030444767. The next prime is 72030444793. The reversal of 72030444786 is 68744403027.
It is a Curzon 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, 5467275 + ... + 5480433.
It is an arithmetic number, because the mean of its divisors is an integer number (3339909300).
Almost surely, 272030444786 is an apocalyptic number.
72030444786 is an abundant number, since it is smaller than the sum of its proper divisors (88285201614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72030444786 is a wasteful number, since it uses less digits than its factorization.
72030444786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21423 (or 21420 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 45.
The spelling of 72030444786 in words is "seventy-two billion, thirty million, four hundred forty-four thousand, seven hundred eighty-six".
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