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30529052819 = 73418206203
BaseRepresentation
bin11100011011101011…
…000110000010010011
32220210121210120101222
4130123223012002103
51000010414142234
622005211315255
72130352444616
oct343353060223
986717716358
1030529052819
1111a46944271
125b0014bb2b
132b56b7ccc5
14169880417d
15bda2d042e
hex71bac6093

30529052819 has 4 divisors (see below), whose sum is σ = 30947259096. Its totient is φ = 30110846544.

The previous prime is 30529052797. The next prime is 30529052821. The reversal of 30529052819 is 91825092503.

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 30529052819 - 228 = 30260617363 is a prime.

It is a super-2 number, since 2×305290528192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30529052819.

It is not an unprimeable number, because it can be changed into a prime (30529052119) 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, 209103029 + ... + 209103174.

It is an arithmetic number, because the mean of its divisors is an integer number (7736814774).

Almost surely, 230529052819 is an apocalyptic number.

30529052819 is a deficient number, since it is larger than the sum of its proper divisors (418206277).

30529052819 is an equidigital number, since it uses as much as digits as its factorization.

30529052819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418206276.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 30529052819 in words is "thirty billion, five hundred twenty-nine million, fifty-two thousand, eight hundred nineteen".

Divisors: 1 73 418206203 30529052819