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64533124152 = 23327128041913
BaseRepresentation
bin111100000110011110…
…010101010000111000
320011120102110101001100
4330012132111100320
52024130434433102
645351320451400
74443122335050
oct740636252070
9204512411040
1064533124152
11254062a2362
1210610019b60
136115960983
1431a2942560
151a2a6d5a1c
hexf06795438

64533124152 has 48 divisors (see below), whose sum is σ = 199745385840. Its totient is φ = 18438035328.

The previous prime is 64533124121. The next prime is 64533124153. The reversal of 64533124152 is 25142133546.

64533124152 is a `hidden beast` number, since 6 + 453 + 31 + 24 + 152 = 666.

It is a super-2 number, since 2×645331241522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64533124153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64020453 + ... + 64021460.

It is an arithmetic number, because the mean of its divisors is an integer number (4161362205).

Almost surely, 264533124152 is an apocalyptic number.

It is an amenable number.

64533124152 is an abundant number, since it is smaller than the sum of its proper divisors (135212261688).

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

64533124152 is a wasteful number, since it uses less digits than its factorization.

64533124152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128041932 (or 128041925 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 64533124152 its reverse (25142133546), we get a palindrome (89675257698).

The spelling of 64533124152 in words is "sixty-four billion, five hundred thirty-three million, one hundred twenty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 128041913 256083826 384125739 512167652 768251478 896293391 1024335304 1152377217 1536502956 1792586782 2304754434 2688880173 3073005912 3585173564 4609508868 5377760346 7170347128 8066640519 9219017736 10755520692 16133281038 21511041384 32266562076 64533124152