Base | Representation |
---|---|
bin | 100001001111011001… |
… | …1001100101101000101 |
3 | 20211020212000121000202 |
4 | 1002132303030231011 |
5 | 2132143211320440 |
6 | 52443200220245 |
7 | 5104645265216 |
oct | 1023663145505 |
9 | 224225017022 |
10 | 71383698245 |
11 | 28301267042 |
12 | 11a0230a685 |
13 | 6968009102 |
14 | 36526c340d |
15 | 1ccbd35615 |
hex | 109ecccb45 |
71383698245 has 8 divisors (see below), whose sum is σ = 85662873216. Its totient is φ = 57105335056.
The previous prime is 71383698229. The next prime is 71383698247. The reversal of 71383698245 is 54289638317.
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 71383698245 - 24 = 71383698229 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 (71383698247) 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, 11024 + ... + 378006.
It is an arithmetic number, because the mean of its divisors is an integer number (10707859152).
Almost surely, 271383698245 is an apocalyptic number.
It is an amenable number.
71383698245 is a deficient number, since it is larger than the sum of its proper divisors (14279174971).
71383698245 is a wasteful number, since it uses less digits than its factorization.
71383698245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405891.
The product of its digits is 8709120, while the sum is 56.
The spelling of 71383698245 in words is "seventy-one billion, three hundred eighty-three million, six hundred ninety-eight thousand, two hundred forty-five".
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