Base | Representation |
---|---|
bin | 11101101100101011101… |
… | …10011000011100000110 |
3 | 10121112212220201110200210 |
4 | 32312111312120130012 |
5 | 113204310323411324 |
6 | 2100435230020250 |
7 | 133502664011415 |
oct | 16662566303406 |
9 | 3545786643623 |
10 | 1020421310214 |
11 | 363838255579 |
12 | 145921047686 |
13 | 752c1036657 |
14 | 3756267d47c |
15 | 1b8244a4d29 |
hex | ed95d98706 |
1020421310214 has 16 divisors (see below), whose sum is σ = 2041058171952. Its totient is φ = 340104511488.
The previous prime is 1020421310197. The next prime is 1020421310243. The reversal of 1020421310214 is 4120131240201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8919739 + ... + 9033414.
It is an arithmetic number, because the mean of its divisors is an integer number (127566135747).
Almost surely, 21020421310214 is an apocalyptic number.
1020421310214 is an abundant number, since it is smaller than the sum of its proper divisors (1020636861738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020421310214 is a wasteful number, since it uses less digits than its factorization.
1020421310214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17962631.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 1020421310214 its reverse (4120131240201), we get a palindrome (5140552550415).
The spelling of 1020421310214 in words is "one trillion, twenty billion, four hundred twenty-one million, three hundred ten thousand, two hundred fourteen".
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