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385947250843 = 72116710687211
BaseRepresentation
bin1011001110111000011…
…11111011000010011011
31100220012022211202011211
411213130033323002123
522310404444011333
6453145101003551
736612063334600
oct5473417730233
91326168752154
10385947250843
11139752185a20
1262970b535b7
132a51912095b
1414973ab86a7
15a08cd45ecd
hex59dc3fb09b

385947250843 has 24 divisors (see below), whose sum is σ = 497083604544. Its totient is φ = 296249461200.

The previous prime is 385947250811. The next prime is 385947250873. The reversal of 385947250843 is 348052749583.

It is a happy number.

It is not a de Polignac number, because 385947250843 - 25 = 385947250811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385947250873) 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 23 ways as a sum of consecutive naturals, for example, 5307493 + ... + 5379718.

It is an arithmetic number, because the mean of its divisors is an integer number (20711816856).

Almost surely, 2385947250843 is an apocalyptic number.

385947250843 is a deficient number, since it is larger than the sum of its proper divisors (111136353701).

385947250843 is a wasteful number, since it uses less digits than its factorization.

385947250843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10687303 (or 10687296 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 385947250843 in words is "three hundred eighty-five billion, nine hundred forty-seven million, two hundred fifty thousand, eight hundred forty-three".

Divisors: 1 7 11 49 67 77 469 539 737 3283 5159 36113 10687211 74810477 117559321 523673339 716043137 822915247 5012301959 5760406729 7876474507 35086113713 55135321549 385947250843