Base | Representation |
---|---|
bin | 100001111011001101000… |
… | …001100101101000111110 |
3 | 22020212112010212022012202 |
4 | 201323031001211220332 |
5 | 301144011334120110 |
6 | 4542553455231502 |
7 | 330301041131510 |
oct | 41731501455076 |
9 | 8225463768182 |
10 | 2331312020030 |
11 | 819781949194 |
12 | 3179a7818592 |
13 | 13bac3511186 |
14 | 80b9c3a9bb0 |
15 | 4099957c0a5 |
hex | 21ecd065a3e |
2331312020030 has 64 divisors (see below), whose sum is σ = 4844596901760. Its totient is φ = 791195558400.
The previous prime is 2331312020003. The next prime is 2331312020039. The reversal of 2331312020030 is 300202131332.
2331312020030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 2331312019984 and 2331312020011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2331312020039) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7640600 + ... + 7939860.
It is an arithmetic number, because the mean of its divisors is an integer number (75696826590).
Almost surely, 22331312020030 is an apocalyptic number.
2331312020030 is an abundant number, since it is smaller than the sum of its proper divisors (2513284881730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2331312020030 is a wasteful number, since it uses less digits than its factorization.
2331312020030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 300405.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 2331312020030 its reverse (300202131332), we get a palindrome (2631514151362).
The spelling of 2331312020030 in words is "two trillion, three hundred thirty-one billion, three hundred twelve million, twenty thousand, thirty".
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