Base | Representation |
---|---|
bin | 100001110000001001… |
… | …1010000010111000101 |
3 | 20221002102211122110200 |
4 | 1003200103100113011 |
5 | 2141421022331434 |
6 | 53144214041113 |
7 | 5144121053241 |
oct | 1034023202705 |
9 | 227072748420 |
10 | 72482620869 |
11 | 2881560595a |
12 | 1206a349199 |
13 | 6ab18a0599 |
14 | 3718621421 |
15 | 1d43557199 |
hex | 10e04d05c5 |
72482620869 has 6 divisors (see below), whose sum is σ = 104697119046. Its totient is φ = 48321747240.
The previous prime is 72482620817. The next prime is 72482620901. The reversal of 72482620869 is 96802628427.
72482620869 is a `hidden beast` number, since 7 + 2 + 4 + 8 + 2 + 620 + 8 + 6 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 70603398369 + 1879222500 = 265713^2 + 43350^2 .
It is not a de Polignac number, because 72482620869 - 213 = 72482612677 is a prime.
It is a super-2 number, since 2×724826208692 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72482620069) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4026812262 + ... + 4026812279.
It is an arithmetic number, because the mean of its divisors is an integer number (17449519841).
Almost surely, 272482620869 is an apocalyptic number.
It is an amenable number.
72482620869 is a deficient number, since it is larger than the sum of its proper divisors (32214498177).
72482620869 is a wasteful number, since it uses less digits than its factorization.
72482620869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8053624547 (or 8053624544 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 54.
The spelling of 72482620869 in words is "seventy-two billion, four hundred eighty-two million, six hundred twenty thousand, eight hundred sixty-nine".
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