Base | Representation |
---|---|
bin | 11101100011100001000… |
… | …010111010110100001010 |
3 | 21012011100220012022020110 |
4 | 131203201002322310022 |
5 | 231233442022440011 |
6 | 4153010102535150 |
7 | 266510035610142 |
oct | 35434102726412 |
9 | 7164326168213 |
10 | 2031000202506 |
11 | 713384736860 |
12 | 289755a374b6 |
13 | 1196a3c07872 |
14 | 7042da99922 |
15 | 37c6e827ba6 |
hex | 1d8e10bad0a |
2031000202506 has 32 divisors (see below), whose sum is σ = 4453766970048. Its totient is φ = 612330467840.
The previous prime is 2031000202501. The next prime is 2031000202531. The reversal of 2031000202506 is 6052020001302.
It is a super-3 number, since 3×20310002025063 (a number of 38 digits) contains 333 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2031000202501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78090375 + ... + 78116378.
It is an arithmetic number, because the mean of its divisors is an integer number (139180217814).
Almost surely, 22031000202506 is an apocalyptic number.
2031000202506 is an abundant number, since it is smaller than the sum of its proper divisors (2422766767542).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031000202506 is a wasteful number, since it uses less digits than its factorization.
2031000202506 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156206966.
The product of its (nonzero) digits is 720, while the sum is 21.
Adding to 2031000202506 its reverse (6052020001302), we get a palindrome (8083020203808).
The spelling of 2031000202506 in words is "two trillion, thirty-one billion, two hundred two thousand, five hundred six".
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