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30127154405 = 56025430881
BaseRepresentation
bin11100000011101101…
…111110010011100101
32212202121120000102112
4130003231332103211
5443200022420110
621501253250405
72114402405255
oct340355762345
985677500375
1030127154405
111185aaa2017
125a09633a05
132ac18255aa
14165b2a7965
15bb4d94405
hex703b7e4e5

30127154405 has 4 divisors (see below), whose sum is σ = 36152585292. Its totient is φ = 24101723520.

The previous prime is 30127154353. The next prime is 30127154411. The reversal of 30127154405 is 50445172103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4741424164 + 25385730241 = 68858^2 + 159329^2 .

It is not a de Polignac number, because 30127154405 - 28 = 30127154149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012715436 + ... + 3012715445.

It is an arithmetic number, because the mean of its divisors is an integer number (9038146323).

Almost surely, 230127154405 is an apocalyptic number.

It is an amenable number.

30127154405 is a deficient number, since it is larger than the sum of its proper divisors (6025430887).

30127154405 is an equidigital number, since it uses as much as digits as its factorization.

30127154405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025430886.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 30127154405 in words is "thirty billion, one hundred twenty-seven million, one hundred fifty-four thousand, four hundred five".

Divisors: 1 5 6025430881 30127154405