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30597937442 = 217926912
BaseRepresentation
bin11100011111110001…
…110111100100100010
32220222102102021100022
4130133301313210202
51000131032444232
622020111553442
72132150114462
oct343761674442
986872367308
1030597937442
1111a81813306
125b1b22b882
132b6821ac37
1416a3a15ba2
15be138a812
hex71fc77922

30597937442 has 18 divisors (see below), whose sum is σ = 46221636699. Its totient is φ = 15191482980.

The previous prime is 30597937427. The next prime is 30597937451. The reversal of 30597937442 is 24473979503.

It can be written as a sum of positive squares in only one way, i.e., 15298968721 + 15298968721 = 123689^2 + 123689^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=123689.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44280317 + ... + 44281007.

Almost surely, 230597937442 is an apocalyptic number.

30597937442 is a deficient number, since it is larger than the sum of its proper divisors (15623699257).

30597937442 is an frugal number, since it uses more digits than its factorization.

30597937442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 30597937442 in words is "thirty billion, five hundred ninety-seven million, nine hundred thirty-seven thousand, four hundred forty-two".

Divisors: 1 2 179 358 691 1382 32041 64082 123689 247378 477481 954962 22140331 44280662 85469099 170938198 15298968721 30597937442