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22012120030 = 2517129483059
BaseRepresentation
bin10100100000000001…
…100100101111011110
32002211001200120000211
4110200001210233132
5330040100320110
614040124043034
71406323635025
oct244001445736
962731616024
1022012120030
1193762a463a
12432399347a
1320ca5067c4
1410cb6178bc
1588c72498a
hex520064bde

22012120030 has 16 divisors (see below), whose sum is σ = 41952511440. Its totient is φ = 8286915712.

The previous prime is 22012120021. The next prime is 22012120051. The reversal of 22012120030 is 3002121022.

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, 64741360 + ... + 64741699.

It is an arithmetic number, because the mean of its divisors is an integer number (2622031965).

Almost surely, 222012120030 is an apocalyptic number.

22012120030 is a deficient number, since it is larger than the sum of its proper divisors (19940391410).

22012120030 is a wasteful number, since it uses less digits than its factorization.

22012120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129483083.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22012120030 its reverse (3002121022), we get a palindrome (25014241052).

The spelling of 22012120030 in words is "twenty-two billion, twelve million, one hundred twenty thousand, thirty".

Divisors: 1 2 5 10 17 34 85 170 129483059 258966118 647415295 1294830590 2201212003 4402424006 11006060015 22012120030