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1445164520506 = 272313939781331
BaseRepresentation
bin10101000001111010100…
…001001001010000111010
312010011020000000011020121
4111001322201021100322
5142134144104124011
63023522135043454
7206260344512650
oct25017241112072
95104200004217
101445164520506
11507988772aa3
121b40ba81058a
13a638092c215
144dd36a62dd0
15278d3249e71
hex1507a84943a

1445164520506 has 64 divisors (see below), whose sum is σ = 2610327767040. Its totient is φ = 586676882880.

The previous prime is 1445164520497. The next prime is 1445164520533. The reversal of 1445164520506 is 6050254615441.

It is a super-3 number, since 3×14451645205063 (a number of 37 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 17728261 + ... + 17809591.

It is an arithmetic number, because the mean of its divisors is an integer number (40786371360).

Almost surely, 21445164520506 is an apocalyptic number.

1445164520506 is a deficient number, since it is larger than the sum of its proper divisors (1165163246534).

1445164520506 is a wasteful number, since it uses less digits than its factorization.

1445164520506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81899.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 1445164520506 in words is "one trillion, four hundred forty-five billion, one hundred sixty-four million, five hundred twenty thousand, five hundred six".

Divisors: 1 2 7 14 23 46 139 161 278 322 397 794 973 1946 2779 3197 5558 6394 9131 18262 22379 44758 55183 63917 81331 110366 127834 162662 386281 569317 772562 1138634 1269209 1870613 2538418 3741226 8884463 11305009 13094291 17768926 22610018 26188582 32288407 64576814 79135063 158270126 226018849 260015207 452037698 520030414 742633361 1485266722 1820106449 3640212898 4488088573 5198433527 8976177146 10396867054 31416620011 62833240022 103226037179 206452074358 722582260253 1445164520506