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20123224054 = 2171913098741
BaseRepresentation
bin10010101111011100…
…000000011111110110
31220221102101200212121
4102233130000133312
5312203021132204
613124450310154
71311446403463
oct225734003766
956842350777
1020123224054
11859704308a
123a9728835a
131b8909018b
14d8c80066a
157cb9abb54
hex4af7007f6

20123224054 has 16 divisors (see below), whose sum is σ = 32127757056. Its totient is φ = 9420169600.

The previous prime is 20123223997. The next prime is 20123224073. The reversal of 20123224054 is 45042232102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1542877 + ... + 1555864.

It is an arithmetic number, because the mean of its divisors is an integer number (2007984816).

Almost surely, 220123224054 is an apocalyptic number.

20123224054 is a deficient number, since it is larger than the sum of its proper divisors (12004533002).

20123224054 is a wasteful number, since it uses less digits than its factorization.

20123224054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098951.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 20123224054 its reverse (45042232102), we get a palindrome (65165456156).

The spelling of 20123224054 in words is "twenty billion, one hundred twenty-three million, two hundred twenty-four thousand, fifty-four".

Divisors: 1 2 17 34 191 382 3247 6494 3098741 6197482 52678597 105357194 591859531 1183719062 10061612027 20123224054