Base | Representation |
---|---|
bin | 1010111000011111… |
… | …1101111000100101 |
3 | 21112120222122020202 |
4 | 2232013331320211 |
5 | 21440324332234 |
6 | 1201514040245 |
7 | 132251562536 |
oct | 25607757045 |
9 | 7476878222 |
10 | 2921324069 |
11 | 126a014014 |
12 | 696419085 |
13 | 3772c8a31 |
14 | 1d9da668d |
15 | 12170277e |
hex | ae1fde25 |
2921324069 has 2 divisors, whose sum is σ = 2921324070. Its totient is φ = 2921324068.
The previous prime is 2921324027. The next prime is 2921324083. The reversal of 2921324069 is 9604231292.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2877035044 + 44289025 = 53638^2 + 6655^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2921324069 is a prime.
It is a super-2 number, since 2×29213240692 = 17068268632237433522, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2921324089) 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, 1460662034 + 1460662035.
It is an arithmetic number, because the mean of its divisors is an integer number (1460662035).
Almost surely, 22921324069 is an apocalyptic number.
It is an amenable number.
2921324069 is a deficient number, since it is larger than the sum of its proper divisors (1).
2921324069 is an equidigital number, since it uses as much as digits as its factorization.
2921324069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 46656, while the sum is 38.
The square root of 2921324069 is about 54049.2744539647. The cubic root of 2921324069 is about 1429.5299070970.
The spelling of 2921324069 in words is "two billion, nine hundred twenty-one million, three hundred twenty-four thousand, sixty-nine".
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