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64051445224068 = 223171447216985261
BaseRepresentation
bin11101001000001001000111…
…01000111101001010000100
322101210020222100100101020120
432210010203220331022010
531343404324434132233
6344120454442101540
716330364344223541
oct1644044350751204
9271706870311216
1064051445224068
111945507a013a85
1272257234aa8b0
13299804396a9c3
1411b616c2cbbc8
157611d222c4b3
hex3a4123a3d284

64051445224068 has 48 divisors (see below), whose sum is σ = 158354108325504. Its totient is φ = 20080683901440.

The previous prime is 64051445224061. The next prime is 64051445224127. The reversal of 64051445224068 is 86042254415046.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 64051445224068.

It is not an unprimeable number, because it can be changed into a prime (64051445224061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108197443 + ... + 108787818.

It is an arithmetic number, because the mean of its divisors is an integer number (3299043923448).

Almost surely, 264051445224068 is an apocalyptic number.

64051445224068 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

64051445224068 is an abundant number, since it is smaller than the sum of its proper divisors (94302663101436).

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

64051445224068 is a wasteful number, since it uses less digits than its factorization.

64051445224068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216986732 (or 216986730 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 51.

The spelling of 64051445224068 in words is "sixty-four trillion, fifty-one billion, four hundred forty-five million, two hundred twenty-four thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1447 2894 4341 5788 8682 17364 24599 49198 73797 98396 147594 295188 216985261 433970522 650955783 867941044 1301911566 2603823132 3688749437 7377498874 11066248311 14754997748 22132496622 44264993244 313977672667 627955345334 941933018001 1255910690668 1883866036002 3767732072004 5337620435339 10675240870678 16012861306017 21350481741356 32025722612034 64051445224068