Base | Representation |
---|---|
bin | 1101101111000001001011… |
… | …00110010111100100100001 |
3 | 10221221100210220112002111122 |
4 | 12313200211212113210201 |
5 | 12424320404223343411 |
6 | 144122554334222025 |
7 | 6235040360160041 |
oct | 667404546274441 |
9 | 127840726462448 |
10 | 30202840840481 |
11 | 9694a532a4801 |
12 | 347961a354915 |
13 | 13b116718790a |
14 | 765b7a883721 |
15 | 3759a28539db |
hex | 1b7825997921 |
30202840840481 has 4 divisors (see below), whose sum is σ = 30205629406464. Its totient is φ = 30200052274500.
The previous prime is 30202840840457. The next prime is 30202840840519. The reversal of 30202840840481 is 18404804820203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30202840840481 is a prime.
It is a super-2 number, since 2×302028408404812 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30202840842481) 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, 1394266745 + ... + 1394288406.
It is an arithmetic number, because the mean of its divisors is an integer number (7551407351616).
Almost surely, 230202840840481 is an apocalyptic number.
It is an amenable number.
30202840840481 is a deficient number, since it is larger than the sum of its proper divisors (2788565983).
30202840840481 is a wasteful number, since it uses less digits than its factorization.
30202840840481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2788565982.
The product of its (nonzero) digits is 393216, while the sum is 44.
The spelling of 30202840840481 in words is "thirty trillion, two hundred two billion, eight hundred forty million, eight hundred forty thousand, four hundred eighty-one".
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