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30444023425 = 529323130619
BaseRepresentation
bin11100010110100110…
…101110111010000001
32220120200210122000011
4130112212232322001
5444322132222200
621552533024521
72125300633534
oct342646567201
986520718004
1030444023425
1111a02948442
125a97785141
132b4237b65a
14168b3cca1b
15bd2ad65ba
hex7169aee81

30444023425 has 12 divisors (see below), whose sum is σ = 37754927280. Its totient is φ = 24352419920.

The previous prime is 30444023417. The next prime is 30444023443. The reversal of 30444023425 is 52432044403.

It is not a de Polignac number, because 30444023425 - 23 = 30444023417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167766 + ... + 298384.

It is an arithmetic number, because the mean of its divisors is an integer number (3146243940).

Almost surely, 230444023425 is an apocalyptic number.

It is an amenable number.

30444023425 is a deficient number, since it is larger than the sum of its proper divisors (7310903855).

30444023425 is a wasteful number, since it uses less digits than its factorization.

30444023425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139952 (or 139947 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 30444023425 its reverse (52432044403), we get a palindrome (82876067828).

The spelling of 30444023425 in words is "thirty billion, four hundred forty-four million, twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 9323 46615 130619 233075 653095 3265475 1217760937 6088804685 30444023425