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30303442012 = 2273103778911
BaseRepresentation
bin11100001110001110…
…011101010001011100
32220012220021100120011
4130032032131101130
5444030140121022
621530551533004
72121643002304
oct341616352134
986186240504
1030303442012
1111940559558
125a5868a164
132b1c1c979c
141676876604
15bc55b7977
hex70e39d45c

30303442012 has 12 divisors (see below), whose sum is σ = 53757476416. Its totient is φ = 14944163040.

The previous prime is 30303442009. The next prime is 30303442031. The reversal of 30303442012 is 21024430303.

It is a happy number.

It is a congruent number.

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, 51889164 + ... + 51889747.

Almost surely, 230303442012 is an apocalyptic number.

It is an amenable number.

30303442012 is a deficient number, since it is larger than the sum of its proper divisors (23454034404).

30303442012 is a wasteful number, since it uses less digits than its factorization.

30303442012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103778988 (or 103778986 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30303442012 its reverse (21024430303), we get a palindrome (51327872315).

The spelling of 30303442012 in words is "thirty billion, three hundred three million, four hundred forty-two thousand, twelve".

Divisors: 1 2 4 73 146 292 103778911 207557822 415115644 7575860503 15151721006 30303442012