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30444535441 = 53574425197
BaseRepresentation
bin11100010110101000…
…101011111010010001
32220120201202122100201
4130112220223322101
5444322300113231
621552552015201
72125305165355
oct342650537221
986521678321
1030444535441
1111a031680a1
125a97991501
132b424ca718
14168b4c3465
15bd2b88161
hex716a2be91

30444535441 has 4 divisors (see below), whose sum is σ = 31018960692. Its totient is φ = 29870110192.

The previous prime is 30444535423. The next prime is 30444535447. The reversal of 30444535441 is 14453544403.

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 9572665600 + 20871869841 = 97840^2 + 144471^2 .

It is a cyclic number.

It is not a de Polignac number, because 30444535441 - 27 = 30444535313 is a prime.

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 30444535441.

It is not an unprimeable number, because it can be changed into a prime (30444535447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287212546 + ... + 287212651.

It is an arithmetic number, because the mean of its divisors is an integer number (7754740173).

Almost surely, 230444535441 is an apocalyptic number.

It is an amenable number.

30444535441 is a deficient number, since it is larger than the sum of its proper divisors (574425251).

30444535441 is an equidigital number, since it uses as much as digits as its factorization.

30444535441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574425250.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 30444535441 in words is "thirty billion, four hundred forty-four million, five hundred thirty-five thousand, four hundred forty-one".

Divisors: 1 53 574425197 30444535441