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30113111312 = 2447103388777
BaseRepresentation
bin11100000010111000…
…011001110100010000
32212201122010112220222
4130002320121310100
5443132424030222
621500032252212
72114142136304
oct340270316420
985648115828
1030113111312
1111853080259
125a049a1068
132abb94967b
14165948dd04
15bb3a1d542
hex702e19d10

30113111312 has 40 divisors (see below), whose sum is σ = 60164173056. Its totient is φ = 14593095936.

The previous prime is 30113111311. The next prime is 30113111401. The reversal of 30113111312 is 21311131103.

It is a super-2 number, since 2×301131113122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30113111311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116933 + ... + 271844.

Almost surely, 230113111312 is an apocalyptic number.

It is an amenable number.

30113111312 is a deficient number, since it is larger than the sum of its proper divisors (30051061744).

30113111312 is a wasteful number, since it uses less digits than its factorization.

30113111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388935 (or 388929 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 30113111312 its reverse (21311131103), we get a palindrome (51424242415).

The spelling of 30113111312 in words is "thirty billion, one hundred thirteen million, one hundred eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 47 94 103 188 206 376 412 752 824 1648 4841 9682 19364 38728 77456 388777 777554 1555108 3110216 6220432 18272519 36545038 40044031 73090076 80088062 146180152 160176124 292360304 320352248 640704496 1882069457 3764138914 7528277828 15056555656 30113111312