Base | Representation |
---|---|
bin | 1010111111100000… |
… | …1000111010100101 |
3 | 21121122022120202101 |
4 | 2233320020322211 |
5 | 22020341320011 |
6 | 1204444212101 |
7 | 133056533365 |
oct | 25770107245 |
9 | 7548276671 |
10 | 2950729381 |
11 | 1284678726 |
12 | 6a423a031 |
13 | 380423122 |
14 | 1ddc5c9a5 |
15 | 1240b02c1 |
hex | afe08ea5 |
2950729381 has 4 divisors (see below), whose sum is σ = 3052478700. Its totient is φ = 2848980064.
The previous prime is 2950729357. The next prime is 2950729387. The reversal of 2950729381 is 1839270592.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1013849281 + 1936880100 = 31841^2 + 44010^2 .
It is a cyclic number.
It is not a de Polignac number, because 2950729381 - 211 = 2950727333 is a prime.
It is a super-2 number, since 2×29507293812 = 17413607759793286322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2950729387) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50874616 + ... + 50874673.
It is an arithmetic number, because the mean of its divisors is an integer number (763119675).
Almost surely, 22950729381 is an apocalyptic number.
It is an amenable number.
2950729381 is a deficient number, since it is larger than the sum of its proper divisors (101749319).
2950729381 is a wasteful number, since it uses less digits than its factorization.
2950729381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101749318.
The product of its (nonzero) digits is 272160, while the sum is 46.
The square root of 2950729381 is about 54320.6165373700. The cubic root of 2950729381 is about 1434.3103325592.
The spelling of 2950729381 in words is "two billion, nine hundred fifty million, seven hundred twenty-nine thousand, three hundred eighty-one".
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