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30255056135 = 56051011227
BaseRepresentation
bin11100001011010101…
…111000010100000111
32220002112020002121122
4130023111320110013
5443430243244020
621522102504155
72120514506513
oct341325702407
986075202548
1030255056135
1111916210527
125a4443505b
132b12187ca5
14167027d143
15bc120b125
hex70b578507

30255056135 has 4 divisors (see below), whose sum is σ = 36306067368. Its totient is φ = 24204044904.

The previous prime is 30255056131. The next prime is 30255056173. The reversal of 30255056135 is 53165055203.

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

It is a cyclic number.

It is not a de Polignac number, because 30255056135 - 22 = 30255056131 is a prime.

It is a super-2 number, since 2×302550561352 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30255056095 and 30255056104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255056131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025505609 + ... + 3025505618.

It is an arithmetic number, because the mean of its divisors is an integer number (9076516842).

Almost surely, 230255056135 is an apocalyptic number.

30255056135 is a deficient number, since it is larger than the sum of its proper divisors (6051011233).

30255056135 is an equidigital number, since it uses as much as digits as its factorization.

30255056135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051011232.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 30255056135 in words is "thirty billion, two hundred fifty-five million, fifty-six thousand, one hundred thirty-five".

Divisors: 1 5 6051011227 30255056135