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385038927321 = 32315143984181
BaseRepresentation
bin1011001101001100001…
…10111100010111011001
31100210212000200010112220
411212212012330113121
522302024431133241
6452515012254253
736550423611216
oct5464606742731
91323760603486
10385038927321
11139326489024
1262758911389
132a402ba1809
14148c91d2b0d
15a038223166
hex59a61bc5d9

385038927321 has 32 divisors (see below), whose sum is σ = 540488847360. Its totient is φ = 243347544000.

The previous prime is 385038927311. The next prime is 385038927323. The reversal of 385038927321 is 123729830583.

It is a happy number.

It is not a de Polignac number, because 385038927321 - 25 = 385038927289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385038927323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4531851 + ... + 4616031.

It is an arithmetic number, because the mean of its divisors is an integer number (16890276480).

Almost surely, 2385038927321 is an apocalyptic number.

It is an amenable number.

385038927321 is a deficient number, since it is larger than the sum of its proper divisors (155449920039).

385038927321 is a wasteful number, since it uses less digits than its factorization.

385038927321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84797.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 385038927321 in words is "three hundred eighty-five billion, thirty-eight million, nine hundred twenty-seven thousand, three hundred twenty-one".

Divisors: 1 3 23 69 151 439 453 1317 3473 10097 10419 30291 66289 84181 198867 252543 1524647 1936163 4573941 5808489 12711331 36955459 38133993 110866377 292360613 849975557 877081839 2549926671 5580274309 16740822927 128346309107 385038927321