Base | Representation |
---|---|
bin | 100001101011000110… |
… | …0010101001011110100 |
3 | 20220122121201201021112 |
4 | 1003112030111023310 |
5 | 2141044114032320 |
6 | 53115315134152 |
7 | 5136661433303 |
oct | 1032614251364 |
9 | 226577651245 |
10 | 72313033460 |
11 | 28738905378 |
12 | 120215a4358 |
13 | 6a85703cc5 |
14 | 36ddcb843a |
15 | 1d33708ec5 |
hex | 10d63152f4 |
72313033460 has 48 divisors (see below), whose sum is σ = 155449082880. Its totient is φ = 28243941120.
The previous prime is 72313033439. The next prime is 72313033477. The reversal of 72313033460 is 6433031327.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315896 + ... + 494384.
It is an arithmetic number, because the mean of its divisors is an integer number (3238522560).
Almost surely, 272313033460 is an apocalyptic number.
It is an amenable number.
72313033460 is an abundant number, since it is smaller than the sum of its proper divisors (83136049420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72313033460 is a wasteful number, since it uses less digits than its factorization.
72313033460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178976 (or 178974 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 32.
Adding to 72313033460 its reverse (6433031327), we get a palindrome (78746064787).
The spelling of 72313033460 in words is "seventy-two billion, three hundred thirteen million, thirty-three thousand, four hundred sixty".
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