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20304421051235 = 57157195552257
BaseRepresentation
bin1001001110111011111011…
…10011011101101101100011
32122220002021000101012120012
410213131331303131231203
510130131423242114420
6111103420001435135
74163642324200406
oct447357563355543
978802230335505
1020304421051235
116519069391592
12233b17163baab
13b43911036399
14502a4c5d7d3d
1525327073adc5
hex12777dcddb63

20304421051235 has 8 divisors (see below), whose sum is σ = 24708478575456. Its totient is φ = 16014754631680.

The previous prime is 20304421051171. The next prime is 20304421051237. The reversal of 20304421051235 is 53215012440302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20304421051235 - 26 = 20304421051171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20304421051237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28597775774 + ... + 28597776483.

It is an arithmetic number, because the mean of its divisors is an integer number (3088559821932).

Almost surely, 220304421051235 is an apocalyptic number.

20304421051235 is a deficient number, since it is larger than the sum of its proper divisors (4404057524221).

20304421051235 is an equidigital number, since it uses as much as digits as its factorization.

20304421051235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57195552333.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20304421051235 its reverse (53215012440302), we get a palindrome (73519433491537).

The spelling of 20304421051235 in words is "twenty trillion, three hundred four billion, four hundred twenty-one million, fifty-one thousand, two hundred thirty-five".

Divisors: 1 5 71 355 57195552257 285977761285 4060884210247 20304421051235