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30392505242 = 2111724780199
BaseRepresentation
bin11100010011100010…
…001101001110011010
32220110002212020100022
4130103202031032122
5444220440131432
621543452510442
72124104014001
oct342342151632
986402766308
1030392505242
1111986860030
125a8247b422
132b347b1218
14168461bc38
15bcd30bb12
hex71388d39a

30392505242 has 24 divisors (see below), whose sum is σ = 52830770400. Its totient is φ = 13002138560.

The previous prime is 30392505179. The next prime is 30392505271. The reversal of 30392505242 is 24250529303.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2383742 + ... + 2396457.

It is an arithmetic number, because the mean of its divisors is an integer number (2201282100).

Almost surely, 230392505242 is an apocalyptic number.

30392505242 is a deficient number, since it is larger than the sum of its proper divisors (22438265158).

30392505242 is a wasteful number, since it uses less digits than its factorization.

30392505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780246 (or 4780229 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 30392505242 in words is "thirty billion, three hundred ninety-two million, five hundred five thousand, two hundred forty-two".

Divisors: 1 2 11 17 22 34 187 289 374 578 3179 6358 4780199 9560398 52582189 81263383 105164378 162526766 893897213 1381477511 1787794426 2762955022 15196252621 30392505242