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30311122014 = 232103139117619
BaseRepresentation
bin11100001110101011…
…110000010001011110
32220020102201112112200
4130032223300101132
5444034121401024
621531424312330
72122065200055
oct341653602136
986212645480
1030311122014
1111944924668
125a5b1726a6
132b20988374
1416778b539c
15bc60d32c9
hex70eaf045e

30311122014 has 48 divisors (see below), whose sum is σ = 66789340800. Its totient is φ = 9933545808.

The previous prime is 30311121991. The next prime is 30311122087. The reversal of 30311122014 is 41022111303.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198897 + ... + 316515.

It is an arithmetic number, because the mean of its divisors is an integer number (1391444600).

Almost surely, 230311122014 is an apocalyptic number.

30311122014 is an abundant number, since it is smaller than the sum of its proper divisors (36478218786).

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

30311122014 is a wasteful number, since it uses less digits than its factorization.

30311122014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117869 (or 117866 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30311122014 its reverse (41022111303), we get a palindrome (71333233317).

The spelling of 30311122014 in words is "thirty billion, three hundred eleven million, one hundred twenty-two thousand, fourteen".

Divisors: 1 2 3 6 9 18 103 139 206 278 309 417 618 834 927 1251 1854 2502 14317 28634 42951 85902 117619 128853 235238 257706 352857 705714 1058571 2117142 12114757 16349041 24229514 32698082 36344271 49047123 72688542 98094246 109032813 147141369 218065626 294282738 1683951223 3367902446 5051853669 10103707338 15155561007 30311122014