Base | Representation |
---|---|
bin | 10011010101010111111010… |
… | …110110100011000110111011 |
3 | 102011001221121201020221002112 |
4 | 103111113322312203012323 |
5 | 42121124333044144431 |
6 | 500503002431122535 |
7 | 23624223126612452 |
oct | 2325277266430673 |
9 | 364057551227075 |
10 | 85031676162491 |
11 | 25103805471393 |
12 | 965386037344b |
13 | 385a5b663caa6 |
14 | 16dd7ab223b99 |
15 | 9c6d07ec9c2b |
hex | 4d55fada31bb |
85031676162491 has 4 divisors (see below), whose sum is σ = 85031925907800. Its totient is φ = 85031426417184.
The previous prime is 85031676162473. The next prime is 85031676162529. The reversal of 85031676162491 is 19426167613058.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 85031676162491 - 226 = 85031609053627 is a prime.
It is a super-3 number, since 3×850316761624913 (a number of 43 digits) contains 333 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 85031676162491.
It is not an unprimeable number, because it can be changed into a prime (85031676162691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124361246 + ... + 125043123.
It is an arithmetic number, because the mean of its divisors is an integer number (21257981476950).
It is a 2-persistent number, because it is pandigital, and so is 2⋅85031676162491 = 170063352324982, but 3⋅85031676162491 = 255095028487473 is not.
Almost surely, 285031676162491 is an apocalyptic number.
85031676162491 is a deficient number, since it is larger than the sum of its proper divisors (249745309).
85031676162491 is a wasteful number, since it uses less digits than its factorization.
85031676162491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249745308.
The product of its (nonzero) digits is 13063680, while the sum is 59.
The spelling of 85031676162491 in words is "eighty-five trillion, thirty-one billion, six hundred seventy-six million, one hundred sixty-two thousand, four hundred ninety-one".
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