Base | Representation |
---|---|
bin | 100001100001001001… |
… | …0011101111111111011 |
3 | 20212210100101001002111 |
4 | 1003002102131333323 |
5 | 2134403122114412 |
6 | 53022225513151 |
7 | 5125465144660 |
oct | 1030222357773 |
9 | 225710331074 |
10 | 71979098107 |
11 | 28587362844 |
12 | 11b497a27b7 |
13 | 6a31483c17 |
14 | 36ab7cda67 |
15 | 1d142452a7 |
hex | 10c249dffb |
71979098107 has 8 divisors (see below), whose sum is σ = 82269189632. Its totient is φ = 61690847400.
The previous prime is 71979098053. The next prime is 71979098209. The reversal of 71979098107 is 70189097917.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-71979098107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71979098707) 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, 375369 + ... + 533722.
It is an arithmetic number, because the mean of its divisors is an integer number (10283648704).
Almost surely, 271979098107 is an apocalyptic number.
71979098107 is a deficient number, since it is larger than the sum of its proper divisors (10290091525).
71979098107 is a wasteful number, since it uses less digits than its factorization.
71979098107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 920409.
The product of its (nonzero) digits is 2000376, while the sum is 58.
The spelling of 71979098107 in words is "seventy-one billion, nine hundred seventy-nine million, ninety-eight thousand, one hundred seven".
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