Base | Representation |
---|---|
bin | 100110101000001111… |
… | …1110010100100010010 |
3 | 21221010021021000100110 |
4 | 1031100133302210102 |
5 | 2324342422430430 |
6 | 102035311102150 |
7 | 5664461632524 |
oct | 1152037624422 |
9 | 257107230313 |
10 | 82954889490 |
11 | 321a9966310 |
12 | 140b1511956 |
13 | 7a90383635 |
14 | 402d39ba14 |
15 | 2257b017b0 |
hex | 13507f2912 |
82954889490 has 64 divisors (see below), whose sum is σ = 219631409280. Its totient is φ = 19884311040.
The previous prime is 82954889489. The next prime is 82954889497. The reversal of 82954889490 is 9498845928.
It is a happy number.
It is a super-2 number, since 2×829548894902 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (82954889497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1382869 + ... + 1441608.
It is an arithmetic number, because the mean of its divisors is an integer number (3431740770).
Almost surely, 282954889490 is an apocalyptic number.
82954889490 is an abundant number, since it is smaller than the sum of its proper divisors (136676519790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82954889490 is a wasteful number, since it uses less digits than its factorization.
82954889490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2824587.
The product of its (nonzero) digits is 59719680, while the sum is 66.
The spelling of 82954889490 in words is "eighty-two billion, nine hundred fifty-four million, eight hundred eighty-nine thousand, four hundred ninety".
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