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20527439076 = 2232238792
BaseRepresentation
bin10011000111100001…
…111101110011100100
31221222120222221122100
4103013201331303210
5314020011022301
613232530132100
71324455232104
oct230741756344
957876887570
1020527439076
118784227891
123b8a721030
131c21a49171
14dca381204
15802204286
hex4c787dce4

20527439076 has 27 divisors (see below), whose sum is σ = 51890977411. Its totient is φ = 6842193144.

The previous prime is 20527439039. The next prime is 20527439137. The reversal of 20527439076 is 67093472502.

The square root of 20527439076 is 143274.

It is a perfect power (a square), and thus also a powerful number.

20527439076 is a `hidden beast` number, since 20 + 527 + 4 + 39 + 0 + 76 = 666.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 847705 + ... + 871583.

Almost surely, 220527439076 is an apocalyptic number.

20527439076 is the 143274-th square number.

It is an amenable number.

20527439076 is an abundant number, since it is smaller than the sum of its proper divisors (31363538335).

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

20527439076 is an frugal number, since it uses more digits than its factorization.

20527439076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47768 (or 23884 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 20527439076 in words is "twenty billion, five hundred twenty-seven million, four hundred thirty-nine thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 23879 47758 71637 95516 143274 214911 286548 429822 859644 570206641 1140413282 1710619923 2280826564 3421239846 5131859769 6842479692 10263719538 20527439076