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30230054541 = 323358894949
BaseRepresentation
bin11100001001110110…
…100000011010001101
32220000210011212212200
4130021312200122031
5443402343221131
621515410552113
72120062136541
oct341166403215
986023155780
1030230054541
1111903094455
125a37b98639
132b09c4314b
14166ac11a21
15bbde1d2e6
hex709da068d

30230054541 has 6 divisors (see below), whose sum is σ = 43665634350. Its totient is φ = 20153369688.

The previous prime is 30230054539. The next prime is 30230054549. The reversal of 30230054541 is 14545003203.

30230054541 is a `hidden beast` number, since 302 + 300 + 5 + 4 + 54 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28483650441 + 1746404100 = 168771^2 + 41790^2 .

It is not a de Polignac number, because 30230054541 - 21 = 30230054539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230054549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1679447466 + ... + 1679447483.

It is an arithmetic number, because the mean of its divisors is an integer number (7277605725).

Almost surely, 230230054541 is an apocalyptic number.

It is an amenable number.

30230054541 is a deficient number, since it is larger than the sum of its proper divisors (13435579809).

30230054541 is a wasteful number, since it uses less digits than its factorization.

30230054541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358894955 (or 3358894952 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 30230054541 its reverse (14545003203), we get a palindrome (44775057744).

The spelling of 30230054541 in words is "thirty billion, two hundred thirty million, fifty-four thousand, five hundred forty-one".

Divisors: 1 3 9 3358894949 10076684847 30230054541