Base | Representation |
---|---|
bin | 11101001000100001110… |
… | …001001101111001001111 |
3 | 21002101120022022001001120 |
4 | 131020201301031321033 |
5 | 230300114423410111 |
6 | 4131414344412023 |
7 | 264432645233151 |
oct | 35104161157117 |
9 | 7071508261046 |
10 | 2002021310031 |
11 | 702063922a46 |
12 | 284008a77013 |
13 | 116a36260202 |
14 | 6cc810d4ad1 |
15 | 3712569e406 |
hex | 1d221c4de4f |
2002021310031 has 16 divisors (see below), whose sum is σ = 2756967421824. Its totient is φ = 1291458206304.
The previous prime is 2002021309999. The next prime is 2002021310057. The reversal of 2002021310031 is 1300131202002.
It is not a de Polignac number, because 2002021310031 - 25 = 2002021309999 is a prime.
It is a super-2 number, since 2×20020213100312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002021315031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72507436 + ... + 72535041.
It is an arithmetic number, because the mean of its divisors is an integer number (172310463864).
Almost surely, 22002021310031 is an apocalyptic number.
2002021310031 is a deficient number, since it is larger than the sum of its proper divisors (754946111793).
2002021310031 is a wasteful number, since it uses less digits than its factorization.
2002021310031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145042630.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 2002021310031 its reverse (1300131202002), we get a palindrome (3302152512033).
The spelling of 2002021310031 in words is "two trillion, two billion, twenty-one million, three hundred ten thousand, thirty-one".
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