Base | Representation |
---|---|
bin | 1100111110111100… |
… | …01000101001011101 |
3 | 122222210010021002201 |
4 | 12133132020221131 |
5 | 103233413210011 |
6 | 3111400451501 |
7 | 334506541165 |
oct | 63736105135 |
9 | 18883107081 |
10 | 6970444381 |
11 | 2a576a803a |
12 | 1426479b91 |
13 | 871158304 |
14 | 4a1a655a5 |
15 | 2abe2bcc1 |
hex | 19f788a5d |
6970444381 has 2 divisors, whose sum is σ = 6970444382. Its totient is φ = 6970444380.
The previous prime is 6970444339. The next prime is 6970444421. The reversal of 6970444381 is 1834440796.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6685678756 + 284765625 = 81766^2 + 16875^2 .
It is a cyclic number.
It is not a de Polignac number, because 6970444381 - 219 = 6969920093 is a prime.
It is a super-2 number, since 2×69704443812 = 97174189737228946322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6970441381) 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 as a sum of consecutive naturals, namely, 3485222190 + 3485222191.
It is an arithmetic number, because the mean of its divisors is an integer number (3485222191).
Almost surely, 26970444381 is an apocalyptic number.
It is an amenable number.
6970444381 is a deficient number, since it is larger than the sum of its proper divisors (1).
6970444381 is an equidigital number, since it uses as much as digits as its factorization.
6970444381 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 580608, while the sum is 46.
The square root of 6970444381 is about 83489.1872100813. The cubic root of 6970444381 is about 1910.2351054214.
The spelling of 6970444381 in words is "six billion, nine hundred seventy million, four hundred forty-four thousand, three hundred eighty-one".
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