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30112220000 = 25541505611
BaseRepresentation
bin11100000010110101…
…000000001101100000
32212201120110021021102
4130002311000031200
5443132212020000
621500001213532
72114131434602
oct340265001540
985646407242
1030112220000
1111852621635
125a046312a8
132abb6c6a75
1416592db172
15bb38e43d5
hex702d40360

30112220000 has 60 divisors (see below), whose sum is σ = 74080627236. Its totient is φ = 12044880000.

The previous prime is 30112219997. The next prime is 30112220059. The reversal of 30112220000 is 2221103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 732806 + ... + 772805.

Almost surely, 230112220000 is an apocalyptic number.

It is an amenable number.

30112220000 is an abundant number, since it is smaller than the sum of its proper divisors (43968407236).

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

30112220000 is an equidigital number, since it uses as much as digits as its factorization.

30112220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505641 (or 1505618 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 30112220000 its reverse (2221103), we get a palindrome (30114441103).

The spelling of 30112220000 in words is "thirty billion, one hundred twelve million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1505611 3011222 6022444 7528055 12044888 15056110 24089776 30112220 37640275 48179552 60224440 75280550 120448880 150561100 188201375 240897760 301122200 376402750 602244400 752805500 941006875 1204488800 1505611000 1882013750 3011222000 3764027500 6022444000 7528055000 15056110000 30112220000