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12565132068 = 2233797291751
BaseRepresentation
bin10111011001111000…
…01011001100100100
31012102200111211210210
423230330023030210
5201213133211233
65434454215420
7623242601046
oct135474131444
935380454723
1012565132068
115368764775
122528054570
1312532727b8
14872ac9a96
154d81a2163
hex2ecf0b324

12565132068 has 48 divisors (see below), whose sum is σ = 30421564544. Its totient is φ = 4033152000.

The previous prime is 12565132049. The next prime is 12565132103. The reversal of 12565132068 is 86023156521.

12565132068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102808 + ... + 188943.

Almost surely, 212565132068 is an apocalyptic number.

It is an amenable number.

12565132068 is an abundant number, since it is smaller than the sum of its proper divisors (17856432476).

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

12565132068 is a wasteful number, since it uses less digits than its factorization.

12565132068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291892 (or 291890 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 12565132068 its reverse (86023156521), we get a palindrome (98588288589).

The spelling of 12565132068 in words is "twelve billion, five hundred sixty-five million, one hundred thirty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 37 74 97 111 148 194 222 291 388 444 582 1164 3589 7178 10767 14356 21534 43068 291751 583502 875253 1167004 1750506 3501012 10794787 21589574 28299847 32384361 43179148 56599694 64768722 84899541 113199388 129537444 169799082 339598164 1047094339 2094188678 3141283017 4188377356 6282566034 12565132068