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30615632113231 = 112783239283021
BaseRepresentation
bin1101111011000010000011…
…11000000110111001001111
311000101211022001010110000001
412331201001320012321033
513003101303310110411
6145040343251545131
76306622622122324
oct675410170067117
9130354261113001
1030615632113231
1198340201a86a0
1235256212bb1a7
1314110708761a9
1477bb3979ab4b
153815b21bddc1
hex1bd841e06e4f

30615632113231 has 4 divisors (see below), whose sum is σ = 33398871396264. Its totient is φ = 27832392830200.

The previous prime is 30615632113151. The next prime is 30615632113289. The reversal of 30615632113231 is 13231123651603.

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 30615632113231 - 213 = 30615632105039 is a prime.

It is a super-2 number, since 2×306156321132312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30615632113291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391619641500 + ... + 1391619641521.

It is an arithmetic number, because the mean of its divisors is an integer number (8349717849066).

Almost surely, 230615632113231 is an apocalyptic number.

30615632113231 is a deficient number, since it is larger than the sum of its proper divisors (2783239283033).

30615632113231 is a wasteful number, since it uses less digits than its factorization.

30615632113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783239283032.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 30615632113231 its reverse (13231123651603), we get a palindrome (43846755764834).

The spelling of 30615632113231 in words is "thirty trillion, six hundred fifteen billion, six hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-one".

Divisors: 1 11 2783239283021 30615632113231