Base | Representation |
---|---|
bin | 1010000000011110… |
… | …10101111011001001 |
3 | 111212102202000111001 |
4 | 11000033111323021 |
5 | 42000404343311 |
6 | 2245044135001 |
7 | 250066314004 |
oct | 50017257311 |
9 | 14772660431 |
10 | 5372731081 |
11 | 2307848423 |
12 | 105b397461 |
13 | 678143323 |
14 | 38d7a853b |
15 | 216a304c1 |
hex | 1403d5ec9 |
5372731081 has 8 divisors (see below), whose sum is σ = 5565947400. Its totient is φ = 5180044800.
The previous prime is 5372731079. The next prime is 5372731087. The reversal of 5372731081 is 1801372735.
It can be written as a sum of positive squares in 4 ways, for example, as 266342400 + 5106388681 = 16320^2 + 71459^2 .
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 5372731081 - 21 = 5372731079 is a prime.
It is a super-2 number, since 2×53727310812 = 57732478537486857122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 5372731081.
It is not an unprimeable number, because it can be changed into a prime (5372731087) 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, 111816 + ... + 152473.
It is an arithmetic number, because the mean of its divisors is an integer number (695743425).
Almost surely, 25372731081 is an apocalyptic number.
It is an amenable number.
5372731081 is a deficient number, since it is larger than the sum of its proper divisors (193216319).
5372731081 is a wasteful number, since it uses less digits than its factorization.
5372731081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265019.
The product of its (nonzero) digits is 35280, while the sum is 37.
The square root of 5372731081 is about 73298.9159606061. The cubic root of 5372731081 is about 1751.4525171650.
The spelling of 5372731081 in words is "five billion, three hundred seventy-two million, seven hundred thirty-one thousand, eighty-one".
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