Base | Representation |
---|---|
bin | 1101000100110101… |
… | …00110110011000101 |
3 | 200010020002101011121 |
4 | 12202122212303011 |
5 | 103334040212244 |
6 | 3120323433541 |
7 | 335646514516 |
oct | 64232466305 |
9 | 20106071147 |
10 | 7019850949 |
11 | 2a82582a11 |
12 | 143ab258b1 |
13 | 87b466577 |
14 | 4a8446a0d |
15 | 2b143ac84 |
hex | 1a26a6cc5 |
7019850949 has 2 divisors, whose sum is σ = 7019850950. Its totient is φ = 7019850948.
The previous prime is 7019850931. The next prime is 7019850961. The reversal of 7019850949 is 9490589107.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6395200900 + 624650049 = 79970^2 + 24993^2 .
It is a cyclic number.
It is not a de Polignac number, because 7019850949 - 225 = 6986296517 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7019850896 and 7019850905.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7019850989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509925474 + 3509925475.
It is an arithmetic number, because the mean of its divisors is an integer number (3509925475).
Almost surely, 27019850949 is an apocalyptic number.
It is an amenable number.
7019850949 is a deficient number, since it is larger than the sum of its proper divisors (1).
7019850949 is an equidigital number, since it uses as much as digits as its factorization.
7019850949 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 816480, while the sum is 52.
The square root of 7019850949 is about 83784.5507775747. The cubic root of 7019850949 is about 1914.7377380144.
The spelling of 7019850949 in words is "seven billion, nineteen million, eight hundred fifty thousand, nine hundred forty-nine".
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