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20424324515300 = 2252204243245153
BaseRepresentation
bin1001010010011011010001…
…00110111000010111100100
32200022112202021220021122122
410221031220212320113210
510134113004033442200
6111234445525045112
74205415541626056
oct451155046702744
980275667807578
1020424324515300
1165649a8800842
12235a454b56798
13b5200c2208a4
14508784bb18d6
1525643bec3385
hex1293689b85e4

20424324515300 has 18 divisors (see below), whose sum is σ = 44320784198418. Its totient is φ = 8169729806080.

The previous prime is 20424324515293. The next prime is 20424324515327. The reversal of 20424324515300 is 351542342402.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1280916914176 + 19143407601124 = 1131776^2 + 4375318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102121622477 + ... + 102121622676.

It is an arithmetic number, because the mean of its divisors is an integer number (2462265788801).

Almost surely, 220424324515300 is an apocalyptic number.

20424324515300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424324515300 is an abundant number, since it is smaller than the sum of its proper divisors (23896459683118).

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

20424324515300 is a wasteful number, since it uses less digits than its factorization.

20424324515300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204243245167 (or 204243245160 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20424324515300 its reverse (351542342402), we get a palindrome (20775866857702).

The spelling of 20424324515300 in words is "twenty trillion, four hundred twenty-four billion, three hundred twenty-four million, five hundred fifteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 204243245153 408486490306 816972980612 1021216225765 2042432451530 4084864903060 5106081128825 10212162257650 20424324515300