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20544359054 = 225457403511
BaseRepresentation
bin10011001000100010…
…100000101010001110
31222000202211120111012
4103020202200222032
5314033323442204
613234332525222
71325052112352
oct231042405216
958022746435
1020544359054
11879283403a
123b94320812
131c253c169b
14dcc707462
1580394776e
hex4c88a0a8e

20544359054 has 8 divisors (see below), whose sum is σ = 30817825488. Its totient is φ = 10271750560.

The previous prime is 20544359051. The next prime is 20544359057. The reversal of 20544359054 is 45095344502.

It is an interprime number because it is at equal distance from previous prime (20544359051) and next prime (20544359057).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20544359051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150842 + ... + 252669.

It is an arithmetic number, because the mean of its divisors is an integer number (3852228186).

Almost surely, 220544359054 is an apocalyptic number.

20544359054 is a deficient number, since it is larger than the sum of its proper divisors (10273466434).

20544359054 is a wasteful number, since it uses less digits than its factorization.

20544359054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428970.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 20544359054 in words is "twenty billion, five hundred forty-four million, three hundred fifty-nine thousand, fifty-four".

Divisors: 1 2 25457 50914 403511 807022 10272179527 20544359054