Base | Representation |
---|---|
bin | 11100010100010101… |
… | …111011011010011011 |
3 | 2220111001101002011001 |
4 | 130110111323122123 |
5 | 444232423020041 |
6 | 21545055245431 |
7 | 2124330164146 |
oct | 342425733233 |
9 | 86431332131 |
10 | 30406063771 |
11 | 11993480826 |
12 | 5a86b19877 |
13 | 2b3754a715 |
14 | 168634b05d |
15 | bce5d9131 |
hex | 71457b69b |
30406063771 has 8 divisors (see below), whose sum is σ = 30511283264. Its totient is φ = 30300885000.
The previous prime is 30406063747. The next prime is 30406063781. The reversal of 30406063771 is 17736060403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30406063771 is a prime.
It is a super-3 number, since 3×304060637713 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30406063771.
It is not an unprimeable number, because it can be changed into a prime (30406063781) 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, 2696896 + ... + 2708146.
It is an arithmetic number, because the mean of its divisors is an integer number (3813910408).
Almost surely, 230406063771 is an apocalyptic number.
30406063771 is a deficient number, since it is larger than the sum of its proper divisors (105219493).
30406063771 is a wasteful number, since it uses less digits than its factorization.
30406063771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20361.
The product of its (nonzero) digits is 63504, while the sum is 37.
The spelling of 30406063771 in words is "thirty billion, four hundred six million, sixty-three thousand, seven hundred seventy-one".
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