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30130120323 = 32171011949791
BaseRepresentation
bin11100000011111001…
…010010011010000011
32212202211010200220100
4130003321102122003
5443201302322243
621501441013443
72114436540252
oct340371223203
985684120810
1030130120323
1111861738396
125a0a624283
132ac2323584
14165b83a799
15bb527d0d3
hex703e52683

30130120323 has 24 divisors (see below), whose sum is σ = 46537635456. Its totient is φ = 18717984000.

The previous prime is 30130120291. The next prime is 30130120337. The reversal of 30130120323 is 32302103103.

30130120323 is a `hidden beast` number, since 301 + 30 + 12 + 0 + 323 = 666.

It is not a de Polignac number, because 30130120323 - 25 = 30130120291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30130120296 and 30130120305.

It is not an unprimeable number, because it can be changed into a prime (30130128323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 959443 + ... + 990348.

It is an arithmetic number, because the mean of its divisors is an integer number (1939068144).

Almost surely, 230130120323 is an apocalyptic number.

30130120323 is a deficient number, since it is larger than the sum of its proper divisors (16407515133).

30130120323 is a wasteful number, since it uses less digits than its factorization.

30130120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949915 (or 1949912 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30130120323 its reverse (32302103103), we get a palindrome (62432223426).

The spelling of 30130120323 in words is "thirty billion, one hundred thirty million, one hundred twenty thousand, three hundred twenty-three".

Divisors: 1 3 9 17 51 101 153 303 909 1717 5151 15453 1949791 5849373 17548119 33146447 99439341 196928891 298318023 590786673 1772360019 3347791147 10043373441 30130120323