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30500055341 = 72622450109
BaseRepresentation
bin11100011001111100…
…011110100100101101
32220201121020100100022
4130121330132210231
5444431003232331
622002254011525
72126551123100
oct343174364455
986647210308
1030500055341
1111a31539008
125ab24a6ba5
132b50b69432
141694a16737
15bd79a367b
hex719f1e92d

30500055341 has 6 divisors (see below), whose sum is σ = 35479656270. Its totient is φ = 26142904536.

The previous prime is 30500055307. The next prime is 30500055361. The reversal of 30500055341 is 14355000503.

It can be written as a sum of positive squares in only one way, i.e., 27302605225 + 3197450116 = 165235^2 + 56546^2 .

It is not a de Polignac number, because 30500055341 - 26 = 30500055277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30500055341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500055361) 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, 311225006 + ... + 311225103.

It is an arithmetic number, because the mean of its divisors is an integer number (5913276045).

Almost surely, 230500055341 is an apocalyptic number.

It is an amenable number.

30500055341 is a deficient number, since it is larger than the sum of its proper divisors (4979600929).

30500055341 is an equidigital number, since it uses as much as digits as its factorization.

30500055341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622450123 (or 622450116 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 30500055341 its reverse (14355000503), we get a palindrome (44855055844).

The spelling of 30500055341 in words is "thirty billion, five hundred million, fifty-five thousand, three hundred forty-one".

Divisors: 1 7 49 622450109 4357150763 30500055341