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65157536213140 = 2257465410972951
BaseRepresentation
bin11101101000010101010111…
…10011001110100010010100
322112200222222201200110012011
432310022223303032202110
532020020113232310030
6350324543042434004
716503322326421660
oct1664125363164224
9275628881613164
1065157536213140
11198411795a2238
127383b73062904
132a4843861bc07
1412138da6cb8a0
1577ed6c7dab2a
hex3b42abcce894

65157536213140 has 24 divisors (see below), whose sum is σ = 156378086911872. Its totient is φ = 22339726701600.

The previous prime is 65157536213111. The next prime is 65157536213141. The reversal of 65157536213140 is 4131263575156.

65157536213140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65157536213141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232705486336 + ... + 232705486615.

It is an arithmetic number, because the mean of its divisors is an integer number (6515753621328).

Almost surely, 265157536213140 is an apocalyptic number.

It is an amenable number.

65157536213140 is an abundant number, since it is smaller than the sum of its proper divisors (91220550698732).

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

65157536213140 is a wasteful number, since it uses less digits than its factorization.

65157536213140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465410972967 (or 465410972965 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

Adding to 65157536213140 its reverse (4131263575156), we get a palindrome (69288799788296).

The spelling of 65157536213140 in words is "sixty-five trillion, one hundred fifty-seven billion, five hundred thirty-six million, two hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 465410972951 930821945902 1861643891804 2327054864755 3257876810657 4654109729510 6515753621314 9308219459020 13031507242628 16289384053285 32578768106570 65157536213140