Base | Representation |
---|---|
bin | 1000100110001… |
… | …10011100111011 |
3 | 12000200212120222 |
4 | 10103012130323 |
5 | 121430203102 |
6 | 11053410255 |
7 | 1533655544 |
oct | 423063473 |
9 | 160625528 |
10 | 72116027 |
11 | 37786925 |
12 | 2019998b |
13 | 11c2ca09 |
14 | 98134cb |
15 | 64e7aa2 |
hex | 44c673b |
72116027 has 4 divisors (see below), whose sum is σ = 72136920. Its totient is φ = 72095136.
The previous prime is 72116003. The next prime is 72116047. The reversal of 72116027 is 72061127.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72116027 - 216 = 72050491 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 72115987 and 72116005.
It is not an unprimeable number, because it can be changed into a prime (72116047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902 + ... + 12627.
It is an arithmetic number, because the mean of its divisors is an integer number (18034230).
Almost surely, 272116027 is an apocalyptic number.
72116027 is a deficient number, since it is larger than the sum of its proper divisors (20893).
72116027 is a wasteful number, since it uses less digits than its factorization.
72116027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20892.
The product of its (nonzero) digits is 1176, while the sum is 26.
The square root of 72116027 is about 8492.1155785823. The cubic root of 72116027 is about 416.2401130917.
The spelling of 72116027 in words is "seventy-two million, one hundred sixteen thousand, twenty-seven".
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