Base | Representation |
---|---|
bin | 100101000110011010… |
… | …1100110011011110101 |
3 | 21121122111102210120012 |
4 | 1022030311212123311 |
5 | 2301132100211004 |
6 | 100333445150005 |
7 | 5520232100135 |
oct | 1121465463365 |
9 | 247574383505 |
10 | 79672272629 |
11 | 30874a14714 |
12 | 135360bb305 |
13 | 76892795b1 |
14 | 3bdb428ac5 |
15 | 211483446e |
hex | 128cd666f5 |
79672272629 has 8 divisors (see below), whose sum is σ = 80494987320. Its totient is φ = 78851226816.
The previous prime is 79672272593. The next prime is 79672272637. The reversal of 79672272629 is 92627227697.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 7027468900 + 72644803729 = 83830^2 + 269527^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79672272629 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79672272649) 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, 321134 + ... + 512319.
It is an arithmetic number, because the mean of its divisors is an integer number (10061873415).
Almost surely, 279672272629 is an apocalyptic number.
It is an amenable number.
79672272629 is a deficient number, since it is larger than the sum of its proper divisors (822714691).
79672272629 is a wasteful number, since it uses less digits than its factorization.
79672272629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 834439.
The product of its digits is 16003008, while the sum is 59.
The spelling of 79672272629 in words is "seventy-nine billion, six hundred seventy-two million, two hundred seventy-two thousand, six hundred twenty-nine".
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