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30430343242 = 2131170397817
BaseRepresentation
bin11100010101110010…
…100011000001001010
32220112202001121022201
4130111302203001022
5444310131440432
621551323510414
72125043435605
oct342562430112
986482047281
1030430343242
11119a6154302
125a9308840a
132b3c59b980
14168966b33c
15bd17d2ee7
hex715ca304a

30430343242 has 8 divisors (see below), whose sum is σ = 49156708356. Its totient is φ = 14044773792.

The previous prime is 30430343239. The next prime is 30430343291. The reversal of 30430343242 is 24234303403.

It can be written as a sum of positive squares in 2 ways, for example, as 28964295721 + 1466047521 = 170189^2 + 38289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30430343242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585198883 + ... + 585198934.

Almost surely, 230430343242 is an apocalyptic number.

30430343242 is a deficient number, since it is larger than the sum of its proper divisors (18726365114).

30430343242 is a wasteful number, since it uses less digits than its factorization.

30430343242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170397832.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 30430343242 its reverse (24234303403), we get a palindrome (54664646645).

The spelling of 30430343242 in words is "thirty billion, four hundred thirty million, three hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 13 26 1170397817 2340795634 15215171621 30430343242