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30078320634 = 2321671017813
BaseRepresentation
bin11100000000110011…
…101011111111111010
32212122012200000002100
4130000303223333322
5443100022230014
621452350444230
72113240335615
oct340063537772
985565600070
1030078320634
111183547852a
1259b5203676
132ab4687c7b
1416549d517c
15bb094a009
hex700cebffa

30078320634 has 12 divisors (see below), whose sum is σ = 65169694746. Its totient is φ = 10026106872.

The previous prime is 30078320581. The next prime is 30078320639. The reversal of 30078320634 is 43602387003.

It can be written as a sum of positive squares in only one way, i.e., 28928907225 + 1149413409 = 170085^2 + 33903^2 .

It is not an unprimeable number, because it can be changed into a prime (30078320639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 835508889 + ... + 835508924.

Almost surely, 230078320634 is an apocalyptic number.

30078320634 is an abundant number, since it is smaller than the sum of its proper divisors (35091374112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30078320634 is a wasteful number, since it uses less digits than its factorization.

30078320634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671017821 (or 1671017818 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 30078320634 in words is "thirty billion, seventy-eight million, three hundred twenty thousand, six hundred thirty-four".

Divisors: 1 2 3 6 9 18 1671017813 3342035626 5013053439 10026106878 15039160317 30078320634