Base | Representation |
---|---|
bin | 100100110101101110… |
… | …0110010011100100101 |
3 | 21120012110102002202021 |
4 | 1021223130302130211 |
5 | 2244010200320401 |
6 | 100202115143141 |
7 | 5500320632320 |
oct | 1115334623445 |
9 | 246173362667 |
10 | 79112120101 |
11 | 30607802843 |
12 | 133ba5a4ab1 |
13 | 75ca1c2cb1 |
14 | 3b86c957b7 |
15 | 20d05882a1 |
hex | 126b732725 |
79112120101 has 8 divisors (see below), whose sum is σ = 90424987520. Its totient is φ = 67802036688.
The previous prime is 79112120081. The next prime is 79112120107. The reversal of 79112120101 is 10102121197.
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 79112120101 - 221 = 79110022949 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79112120107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634746 + ... + 749083.
It is an arithmetic number, because the mean of its divisors is an integer number (11303123440).
Almost surely, 279112120101 is an apocalyptic number.
It is an amenable number.
79112120101 is a deficient number, since it is larger than the sum of its proper divisors (11312867419).
79112120101 is a wasteful number, since it uses less digits than its factorization.
79112120101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1392003.
The product of its (nonzero) digits is 252, while the sum is 25.
Adding to 79112120101 its reverse (10102121197), we get a palindrome (89214241298).
The spelling of 79112120101 in words is "seventy-nine billion, one hundred twelve million, one hundred twenty thousand, one hundred one".
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