Base | Representation |
---|---|
bin | 100110010100110010… |
… | …1010010100110111111 |
3 | 21212102202202210211010 |
4 | 1030221211102212333 |
5 | 2322023304120111 |
6 | 101450425530303 |
7 | 5642343425160 |
oct | 1145145224677 |
9 | 255382683733 |
10 | 82302020031 |
11 | 319a4387880 |
12 | 13b4a943993 |
13 | 79b803654a |
14 | 3daa7b1767 |
15 | 221a63daa6 |
hex | 13299529bf |
82302020031 has 64 divisors (see below), whose sum is σ = 143272820736. Its totient is φ = 40749139200.
The previous prime is 82302020029. The next prime is 82302020069. The reversal of 82302020031 is 13002020328.
It is not a de Polignac number, because 82302020031 - 21 = 82302020029 is a prime.
It is a super-2 number, since 2×823020200312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82302020431) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1465390 + ... + 1520516.
It is an arithmetic number, because the mean of its divisors is an integer number (2238637824).
Almost surely, 282302020031 is an apocalyptic number.
82302020031 is a deficient number, since it is larger than the sum of its proper divisors (60970800705).
82302020031 is a wasteful number, since it uses less digits than its factorization.
82302020031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55452.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 82302020031 its reverse (13002020328), we get a palindrome (95304040359).
It can be divided in two parts, 823020 and 20031, that added together give a triangular number (843051 = T1298).
The spelling of 82302020031 in words is "eighty-two billion, three hundred two million, twenty thousand, thirty-one".
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