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30443312112 = 2431327477947
BaseRepresentation
bin11100010110100100…
…000001001111110000
32220120122110111021020
4130112210001033300
5444321441441422
621552505455440
72125261611663
oct342644011760
986518414236
1030443312112
1111a02501a84
125a974a1580
132b4218c965
14168b2856da
15bd29e595c
hex7169013f0

30443312112 has 40 divisors (see below), whose sum is σ = 78704653056. Its totient is φ = 10140102336.

The previous prime is 30443312083. The next prime is 30443312149. The reversal of 30443312112 is 21121334403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175278 + ... + 302669.

Almost surely, 230443312112 is an apocalyptic number.

It is an amenable number.

30443312112 is an abundant number, since it is smaller than the sum of its proper divisors (48261340944).

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

30443312112 is a wasteful number, since it uses less digits than its factorization.

30443312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479285 (or 479279 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30443312112 its reverse (21121334403), we get a palindrome (51564646515).

The spelling of 30443312112 in words is "thirty billion, four hundred forty-three million, three hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 1327 2654 3981 5308 7962 10616 15924 21232 31848 63696 477947 955894 1433841 1911788 2867682 3823576 5735364 7647152 11470728 22941456 634235669 1268471338 1902707007 2536942676 3805414014 5073885352 7610828028 10147770704 15221656056 30443312112