Base | Representation |
---|---|
bin | 100001100011100110… |
… | …0110001110010101001 |
3 | 20220000002102002210201 |
4 | 1003013030301302221 |
5 | 2140040220224033 |
6 | 53034331512201 |
7 | 5130515402362 |
oct | 1030714616251 |
9 | 226002362721 |
10 | 72061492393 |
11 | 286199198a0 |
12 | 11b712b8661 |
13 | 6a45572037 |
14 | 36b871ab69 |
15 | 1d1b5bd47d |
hex | 10c7331ca9 |
72061492393 has 8 divisors (see below), whose sum is σ = 79944953760. Its totient is φ = 64400100480.
The previous prime is 72061492379. The next prime is 72061492397. The reversal of 72061492393 is 39329416027.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72061492393 - 25 = 72061492361 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72061492397) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 55516680 + ... + 55517977.
It is an arithmetic number, because the mean of its divisors is an integer number (9993119220).
Almost surely, 272061492393 is an apocalyptic number.
It is an amenable number.
72061492393 is a deficient number, since it is larger than the sum of its proper divisors (7883461367).
72061492393 is a wasteful number, since it uses less digits than its factorization.
72061492393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111034727.
The product of its (nonzero) digits is 489888, while the sum is 46.
The spelling of 72061492393 in words is "seventy-two billion, sixty-one million, four hundred ninety-two thousand, three hundred ninety-three".
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