Base | Representation |
---|---|
bin | 1000011110100… |
… | …01100110010110 |
3 | 11221210220211220 |
4 | 10033101212112 |
5 | 121201104420 |
6 | 11020111210 |
7 | 1522310565 |
oct | 417214626 |
9 | 157726756 |
10 | 71113110 |
11 | 37161372 |
12 | 1b995506 |
13 | 1196b383 |
14 | 9631bdc |
15 | 639a840 |
hex | 43d1996 |
71113110 has 32 divisors (see below), whose sum is σ = 171320832. Its totient is φ = 18891360.
The previous prime is 71113073. The next prime is 71113111. The reversal of 71113110 is 1131117.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 71113110.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71113111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3757 + ... + 12503.
It is an arithmetic number, because the mean of its divisors is an integer number (5353776).
Almost surely, 271113110 is an apocalyptic number.
71113110 is an abundant number, since it is smaller than the sum of its proper divisors (100207722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71113110 is a wasteful number, since it uses less digits than its factorization.
71113110 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9028.
The product of its (nonzero) digits is 21, while the sum is 15.
The square root of 71113110 is about 8432.8589458143. The cubic root of 71113110 is about 414.3015493070.
Adding to 71113110 its reverse (1131117), we get a palindrome (72244227).
The spelling of 71113110 in words is "seventy-one million, one hundred thirteen thousand, one hundred ten".
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