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30644523607 is a prime number
BaseRepresentation
bin11100100010100011…
…100101001001010111
32221002200002002112211
4130202203211021113
51000224444223412
622024454254251
72133254103265
oct344243451127
987080062484
1030644523607
1111aa6042175
125b32957387
132b74a7c509
1416a9ca1435
15be54ddca7
hex7228e5257

30644523607 has 2 divisors, whose sum is σ = 30644523608. Its totient is φ = 30644523606.

The previous prime is 30644523571. The next prime is 30644523631. The reversal of 30644523607 is 70632544603.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30644523607 - 27 = 30644523479 is a prime.

It is a super-3 number, since 3×306445236073 (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30644523607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30644523667) 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 as a sum of consecutive naturals, namely, 15322261803 + 15322261804.

It is an arithmetic number, because the mean of its divisors is an integer number (15322261804).

Almost surely, 230644523607 is an apocalyptic number.

30644523607 is a deficient number, since it is larger than the sum of its proper divisors (1).

30644523607 is an equidigital number, since it uses as much as digits as its factorization.

30644523607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 30644523607 in words is "thirty billion, six hundred forty-four million, five hundred twenty-three thousand, six hundred seven".