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540888423278721 = 3790728397565143
BaseRepresentation
bin111101011111011110110011…
…0010101010010100010000001
32121221010102120012122100212120
41322332331212111102202001
51031343403442324404341
65154212413352114453
7221633620233343110
oct17276754625224201
92557112505570776
10540888423278721
11147386546010691
12507b7972695a29
131a2a6737184bcb
14977d1d4603c77
15427eb38637066
hex1ebef66552881

540888423278721 has 16 divisors (see below), whose sum is σ = 825119652824064. Its totient is φ = 308738328223824.

The previous prime is 540888423278629. The next prime is 540888423278761. The reversal of 540888423278721 is 127872324888045.

It is not a de Polignac number, because 540888423278721 - 217 = 540888423147649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540888423278761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14198763525 + ... + 14198801618.

It is an arithmetic number, because the mean of its divisors is an integer number (51569978301504).

Almost surely, 2540888423278721 is an apocalyptic number.

It is an amenable number.

540888423278721 is a deficient number, since it is larger than the sum of its proper divisors (284231229545343).

540888423278721 is a wasteful number, since it uses less digits than its factorization.

540888423278721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28397566060.

The product of its (nonzero) digits is 385351680, while the sum is 69.

The spelling of 540888423278721 in words is "five hundred forty trillion, eight hundred eighty-eight billion, four hundred twenty-three million, two hundred seventy-eight thousand, seven hundred twenty-one".

Divisors: 1 3 7 21 907 2721 6349 19047 28397565143 85192695429 198782956001 596348868003 25756591584701 77269774754103 180296141092907 540888423278721