Base | Representation |
---|---|
bin | 100001000111001… |
… | …1010010100010111 |
3 | 2212102200102002112 |
4 | 1002032122110113 |
5 | 4233413332241 |
6 | 302130101235 |
7 | 36350655002 |
oct | 10216322427 |
9 | 2772612075 |
10 | 1111074071 |
11 | 520199438 |
12 | 27011a81b |
13 | 14925a3a3 |
14 | a77c2539 |
15 | 678221eb |
hex | 4239a517 |
1111074071 has 4 divisors (see below), whose sum is σ = 1149387000. Its totient is φ = 1072761144.
The previous prime is 1111074061. The next prime is 1111074143. The reversal of 1111074071 is 1704701111.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1704701111 = 37 ⋅46073003.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1111074071 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1111074061) 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, 19156421 + ... + 19156478.
It is an arithmetic number, because the mean of its divisors is an integer number (287346750).
Almost surely, 21111074071 is an apocalyptic number.
1111074071 is a deficient number, since it is larger than the sum of its proper divisors (38312929).
1111074071 is an equidigital number, since it uses as much as digits as its factorization.
1111074071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38312928.
The product of its (nonzero) digits is 196, while the sum is 23.
The square root of 1111074071 is about 33332.7777270362. Note that the first 4 decimals coincide. The cubic root of 1111074071 is about 1035.7326592997.
Adding to 1111074071 its reverse (1704701111), we get a palindrome (2815775182).
The spelling of 1111074071 in words is "one billion, one hundred eleven million, seventy-four thousand, seventy-one".
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