Base | Representation |
---|---|
bin | 100110100000111110… |
… | …1011011011011111111 |
3 | 21220111021100012000011 |
4 | 1031001331123123333 |
5 | 2323343004011311 |
6 | 101555155444051 |
7 | 5655440623054 |
oct | 1150175333377 |
9 | 256437305004 |
10 | 82711000831 |
11 | 32094227138 |
12 | 140438b6627 |
13 | 7a519a0814 |
14 | 4008c3302b |
15 | 22414c8321 |
hex | 1341f5b6ff |
82711000831 has 8 divisors (see below), whose sum is σ = 85502678528. Its totient is φ = 79927047000.
The previous prime is 82711000807. The next prime is 82711000837. The reversal of 82711000831 is 13800011728.
82711000831 = T234819 + T234820 + T234821.
It is a happy number.
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 82711000831 - 219 = 82710476543 is a prime.
It is a super-2 number, since 2×827110008312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 82711000793 and 82711000802.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82711000837) 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, 1909185 + ... + 1952026.
It is an arithmetic number, because the mean of its divisors is an integer number (10687834816).
Almost surely, 282711000831 is an apocalyptic number.
82711000831 is the 234821-st centered triangular number.
82711000831 is a deficient number, since it is larger than the sum of its proper divisors (2791677697).
82711000831 is a wasteful number, since it uses less digits than its factorization.
82711000831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3861933.
The product of its (nonzero) digits is 2688, while the sum is 31.
The spelling of 82711000831 in words is "eighty-two billion, seven hundred eleven million, eight hundred thirty-one", and thus it is an aban number.
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