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20540364253053 = 340131706152027
BaseRepresentation
bin1001010101110011011010…
…00111010110011101111101
32200201122021022010201122120
410222321231013112131331
510143013131222044203
6111404040231233153
74216664242261311
oct452715507263575
980648238121576
1020540364253053
1165aa135153257
122378a3a5187b9
13b5cc42aba8c8
14510232189b41
1525947e452b53
hex12ae6d1d677d

20540364253053 has 8 divisors (see below), whose sum is σ = 27393976961568. Its totient is φ = 13690163856624.

The previous prime is 20540364253049. The next prime is 20540364253103. The reversal of 20540364253053 is 35035246304502.

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

It is not a de Polignac number, because 20540364253053 - 22 = 20540364253049 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20540364252996 and 20540364253014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20540364253043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853063975 + ... + 853088052.

It is an arithmetic number, because the mean of its divisors is an integer number (3424247120196).

Almost surely, 220540364253053 is an apocalyptic number.

It is an amenable number.

20540364253053 is a deficient number, since it is larger than the sum of its proper divisors (6853612708515).

20540364253053 is a wasteful number, since it uses less digits than its factorization.

20540364253053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706156043.

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 20540364253053 in words is "twenty trillion, five hundred forty billion, three hundred sixty-four million, two hundred fifty-three thousand, fifty-three".

Divisors: 1 3 4013 12039 1706152027 5118456081 6846788084351 20540364253053