Base | Representation |
---|---|
bin | 1100010101000… |
… | …0110001111110 |
3 | 10121022012022000 |
4 | 3011100301332 |
5 | 101214223402 |
6 | 5044203130 |
7 | 1165352142 |
oct | 305206176 |
9 | 117265260 |
10 | 51711102 |
11 | 2720a353 |
12 | 153994a6 |
13 | a9371b1 |
14 | 6c21222 |
15 | 4816c1c |
hex | 3150c7e |
51711102 has 32 divisors (see below), whose sum is σ = 115196160. Its totient is φ = 17194680.
The previous prime is 51711053. The next prime is 51711133. The reversal of 51711102 is 20111715.
It is a happy number.
51711102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
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, 27327 + ... + 29157.
It is an arithmetic number, because the mean of its divisors is an integer number (3599880).
Almost surely, 251711102 is an apocalyptic number.
51711102 is an abundant number, since it is smaller than the sum of its proper divisors (63485058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51711102 is a wasteful number, since it uses less digits than its factorization.
51711102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2365 (or 2359 counting only the distinct ones).
The product of its (nonzero) digits is 70, while the sum is 18.
The square root of 51711102 is about 7191.0431788441. The cubic root of 51711102 is about 372.5586040552.
Adding to 51711102 its reverse (20111715), we get a palindrome (71822817).
The spelling of 51711102 in words is "fifty-one million, seven hundred eleven thousand, one hundred two".
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