Base | Representation |
---|---|
bin | 111111111001000… |
… | …101101001110011 |
3 | 2202201000200111001 |
4 | 333321011221303 |
5 | 4143403224341 |
6 | 254211102431 |
7 | 35364153160 |
oct | 7771055163 |
9 | 2681020431 |
10 | 1071929971 |
11 | 500092942 |
12 | 25aba1a17 |
13 | 1411032b8 |
14 | a2513067 |
15 | 6418dd31 |
hex | 3fe45a73 |
1071929971 has 8 divisors (see below), whose sum is σ = 1232145504. Its totient is φ = 913485120.
The previous prime is 1071929941. The next prime is 1071930031. The reversal of 1071929971 is 1799291701.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1071929971 - 217 = 1071798899 is a prime.
It is a super-2 number, since 2×10719299712 = 2298067725456121682, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1071929921) 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 in 7 ways as a sum of consecutive naturals, for example, 441370 + ... + 443791.
It is an arithmetic number, because the mean of its divisors is an integer number (154018188).
Almost surely, 21071929971 is an apocalyptic number.
1071929971 is a deficient number, since it is larger than the sum of its proper divisors (160215533).
1071929971 is an equidigital number, since it uses as much as digits as its factorization.
1071929971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 885341.
The product of its (nonzero) digits is 71442, while the sum is 46.
The square root of 1071929971 is about 32740.3416445217. The cubic root of 1071929971 is about 1023.4237031698.
The spelling of 1071929971 in words is "one billion, seventy-one million, nine hundred twenty-nine thousand, nine hundred seventy-one".
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