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30301232312 = 2313291358003
BaseRepresentation
bin11100001110000110…
…000001110010111000
32220012202010002102102
4130032012001302320
5444024103413222
621530432322532
72121615140111
oct341606016270
986182102372
1030301232312
111193a28a35a
125a579a3448
132b1b904a80
14167645d208
15bc52ccd92
hex70e181cb8

30301232312 has 16 divisors (see below), whose sum is σ = 61185180840. Its totient is φ = 13985184096.

The previous prime is 30301232257. The next prime is 30301232321. The reversal of 30301232312 is 21323210303.

It is a super-3 number, since 3×303012323123 (a number of 32 digits) contains 333 as substring.

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, 145678898 + ... + 145679105.

Almost surely, 230301232312 is an apocalyptic number.

It is an amenable number.

30301232312 is an abundant number, since it is smaller than the sum of its proper divisors (30883948528).

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

30301232312 is a wasteful number, since it uses less digits than its factorization.

30301232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291358022 (or 291358018 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30301232312 its reverse (21323210303), we get a palindrome (51624442615).

The spelling of 30301232312 in words is "thirty billion, three hundred one million, two hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 291358003 582716006 1165432012 2330864024 3787654039 7575308078 15150616156 30301232312