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30278924330 = 2510129979133
BaseRepresentation
bin11100001100110000…
…111011100000101010
32220011012010201121212
4130030300323200222
5444002401034310
621524314233122
72121224416214
oct341460734052
986135121555
1030278924330
1111928733006
125a504257a2
132b170c3c95
1416734d35b4
15bc3373205
hex70cc3b82a

30278924330 has 16 divisors (see below), whose sum is σ = 55041690024. Its totient is φ = 11991652800.

The previous prime is 30278924297. The next prime is 30278924371. The reversal of 30278924330 is 3342987203.

It can be written as a sum of positive squares in 4 ways, for example, as 30129669241 + 149255089 = 173579^2 + 12217^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14988557 + ... + 14990576.

Almost surely, 230278924330 is an apocalyptic number.

30278924330 is a deficient number, since it is larger than the sum of its proper divisors (24762765694).

30278924330 is a wasteful number, since it uses less digits than its factorization.

30278924330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29979241.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 30278924330 in words is "thirty billion, two hundred seventy-eight million, nine hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 101 202 505 1010 29979133 59958266 149895665 299791330 3027892433 6055784866 15139462165 30278924330