Base | Representation |
---|---|
bin | 111111110111010… |
… | …101011000011111 |
3 | 2202200011022200012 |
4 | 333313111120133 |
5 | 4143244020421 |
6 | 254153153435 |
7 | 35360226365 |
oct | 7767253037 |
9 | 2680138605 |
10 | 1071470111 |
11 | 4aa8a9398 |
12 | 25a9bb87b |
13 | 140ca1baa |
14 | a2433635 |
15 | 640ec95b |
hex | 3fdd561f |
1071470111 has 4 divisors (see below), whose sum is σ = 1118055792. Its totient is φ = 1024884432.
The previous prime is 1071470093. The next prime is 1071470119. The reversal of 1071470111 is 1110741701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110741701 = 41 ⋅27091261.
It is a cyclic number.
It is not a de Polignac number, because 1071470111 - 214 = 1071453727 is a prime.
It is a super-2 number, since 2×10714701112 = 2296096397532704642, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 46585657 = 1071470111 / (1 + 0 + 7 + 1 + 4 + 7 + 0 + 1 + 1 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1071470119) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23292806 + ... + 23292851.
It is an arithmetic number, because the mean of its divisors is an integer number (279513948).
Almost surely, 21071470111 is an apocalyptic number.
1071470111 is a deficient number, since it is larger than the sum of its proper divisors (46585681).
1071470111 is an equidigital number, since it uses as much as digits as its factorization.
1071470111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46585680.
The product of its (nonzero) digits is 196, while the sum is 23.
The square root of 1071470111 is about 32733.3180566835. The cubic root of 1071470111 is about 1023.2773319970.
The spelling of 1071470111 in words is "one billion, seventy-one million, four hundred seventy thousand, one hundred eleven".
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