Base | Representation |
---|---|
bin | 111101101011111… |
… | …110110111101001 |
3 | 2200010102101121201 |
4 | 331223332313221 |
5 | 4104421034011 |
6 | 250410204201 |
7 | 34434562303 |
oct | 7553766751 |
9 | 2603371551 |
10 | 1034939881 |
11 | 491218718 |
12 | 24a723661 |
13 | 136551781 |
14 | 9b644973 |
15 | 60cd3cc1 |
hex | 3dafede9 |
1034939881 has 2 divisors, whose sum is σ = 1034939882. Its totient is φ = 1034939880.
The previous prime is 1034939879. The next prime is 1034939887. The reversal of 1034939881 is 1889394301.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1029832281 + 5107600 = 32091^2 + 2260^2 .
It is an emirp because it is prime and its reverse (1889394301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1034939881 - 21 = 1034939879 is a prime.
It is a super-2 number, since 2×10349398812 = 2142201114568588322, which contains 22 as substring.
Together with 1034939879, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1034939887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517469940 + 517469941.
It is an arithmetic number, because the mean of its divisors is an integer number (517469941).
Almost surely, 21034939881 is an apocalyptic number.
It is an amenable number.
1034939881 is a deficient number, since it is larger than the sum of its proper divisors (1).
1034939881 is an equidigital number, since it uses as much as digits as its factorization.
1034939881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 186624, while the sum is 46.
The square root of 1034939881 is about 32170.4815164461. The cubic root of 1034939881 is about 1011.5135562688.
The spelling of 1034939881 in words is "one billion, thirty-four million, nine hundred thirty-nine thousand, eight hundred eighty-one".
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