Base | Representation |
---|---|
bin | 11100001001110110… |
… | …100000011001100101 |
3 | 2220000210011212211012 |
4 | 130021312200121211 |
5 | 443402343221001 |
6 | 21515410552005 |
7 | 2120062136453 |
oct | 341166403145 |
9 | 86023155735 |
10 | 30230054501 |
11 | 11903094419 |
12 | 5a37b98605 |
13 | 2b09c4311a |
14 | 166ac119d3 |
15 | bbde1d2bb |
hex | 709da0665 |
30230054501 has 8 divisors (see below), whose sum is σ = 30330441720. Its totient is φ = 30129789888.
The previous prime is 30230054497. The next prime is 30230054527. The reversal of 30230054501 is 10545003203.
It can be written as a sum of positive squares in 4 ways, for example, as 8928360100 + 21301694401 = 94490^2 + 145951^2 .
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 30230054501 - 22 = 30230054497 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30230059501) 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, 477155 + ... + 536783.
It is an arithmetic number, because the mean of its divisors is an integer number (3791305215).
Almost surely, 230230054501 is an apocalyptic number.
It is an amenable number.
30230054501 is a deficient number, since it is larger than the sum of its proper divisors (100387219).
30230054501 is a wasteful number, since it uses less digits than its factorization.
30230054501 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61303.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 30230054501 its reverse (10545003203), we get a palindrome (40775057704).
The spelling of 30230054501 in words is "thirty billion, two hundred thirty million, fifty-four thousand, five hundred one".
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