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540064430020 = 225291541360413
BaseRepresentation
bin1111101101111100101…
…10010011011111000100
31220122000000111122010001
413312332112103133010
532322022443230040
61052034023011044
754006204624643
oct7667626233704
91818000448101
10540064430020
11199049322795
1288802599a84
133bc0a66b7bb
141c1d41a335a
15e0ad0e559a
hex7dbe5937c4

540064430020 has 48 divisors (see below), whose sum is σ = 1173338958960. Its totient is φ = 208559622656.

The previous prime is 540064429981. The next prime is 540064430197. The reversal of 540064430020 is 20034460045.

It can be written as a sum of positive squares in 8 ways, for example, as 68614659136 + 471449770884 = 261944^2 + 686622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8909334 + ... + 8969746.

It is an arithmetic number, because the mean of its divisors is an integer number (24444561645).

Almost surely, 2540064430020 is an apocalyptic number.

It is an amenable number.

540064430020 is an abundant number, since it is smaller than the sum of its proper divisors (633274528940).

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

540064430020 is a wasteful number, since it uses less digits than its factorization.

540064430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75864 (or 75862 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 540064430020 its reverse (20034460045), we get a palindrome (560098890065).

The spelling of 540064430020 in words is "five hundred forty billion, sixty-four million, four hundred thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 15413 30826 60413 61652 77065 120826 154130 241652 302065 308260 446977 604130 893954 1208260 1751977 1787908 2234885 3503954 4469770 7007908 8759885 8939540 17519770 35039540 931145569 1862291138 3724582276 4655727845 9311455690 18622911380 27003221501 54006443002 108012886004 135016107505 270032215010 540064430020