Base | Representation |
---|---|
bin | 111111111111000010… |
… | …110100110010001011 |
3 | 20120100001122100221021 |
4 | 333333002310302023 |
5 | 2111201040040021 |
6 | 51321213053311 |
7 | 4651351414243 |
oct | 777702646213 |
9 | 216301570837 |
10 | 68703440011 |
11 | 27156334398 |
12 | 11394787237 |
13 | 662b9453ab |
14 | 347a74cb23 |
15 | 1bc189ec41 |
hex | fff0b4c8b |
68703440011 has 8 divisors (see below), whose sum is σ = 69181655040. Its totient is φ = 68225917032.
The previous prime is 68703439999. The next prime is 68703440021. The reversal of 68703440011 is 11004430786.
It is a happy number.
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 68703440011 - 29 = 68703439499 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68703440021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27030 + ... + 371668.
It is an arithmetic number, because the mean of its divisors is an integer number (8647706880).
Almost surely, 268703440011 is an apocalyptic number.
68703440011 is a deficient number, since it is larger than the sum of its proper divisors (478215029).
68703440011 is a wasteful number, since it uses less digits than its factorization.
68703440011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346025.
The product of its (nonzero) digits is 16128, while the sum is 34.
Adding to 68703440011 its reverse (11004430786), we get a palindrome (79707870797).
The spelling of 68703440011 in words is "sixty-eight billion, seven hundred three million, four hundred forty thousand, eleven".
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