Base | Representation |
---|---|
bin | 100001110010101110… |
… | …0000100100110111011 |
3 | 20221022110000220211222 |
4 | 1003211130010212323 |
5 | 2142110104134412 |
6 | 53200533342255 |
7 | 5146215530162 |
oct | 1034534044673 |
9 | 227273026758 |
10 | 72568818107 |
11 | 2885a22a145 |
12 | 1209319798b |
13 | 6ac66c0676 |
14 | 3725c5c3d9 |
15 | 1d4add2072 |
hex | 10e57049bb |
72568818107 has 8 divisors (see below), whose sum is σ = 73330768896. Its totient is φ = 71810765352.
The previous prime is 72568818097. The next prime is 72568818109. The reversal of 72568818107 is 70181886527.
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 72568818107 - 226 = 72501709243 is a prime.
It is a super-2 number, since 2×725688181072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72568818109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937073 + ... + 1011554.
It is an arithmetic number, because the mean of its divisors is an integer number (9166346112).
Almost surely, 272568818107 is an apocalyptic number.
72568818107 is a deficient number, since it is larger than the sum of its proper divisors (761950789).
72568818107 is a wasteful number, since it uses less digits than its factorization.
72568818107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1949017.
The product of its (nonzero) digits is 1505280, while the sum is 53.
The spelling of 72568818107 in words is "seventy-two billion, five hundred sixty-eight million, eight hundred eighteen thousand, one hundred seven".
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