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385048779884 = 22432518918947
BaseRepresentation
bin1011001101001101011…
…00100001110001101100
31100210212201012200201122
411212212230201301230
522302034441424014
6452520003400112
736550603424666
oct5464654416154
91323781180648
10385048779884
11139330aa843a
1262760083038
132a404c41232
14148ca639536
15a03901c58e
hex59a6b21c6c

385048779884 has 24 divisors (see below), whose sum is σ = 692253067968. Its totient is φ = 187297866000.

The previous prime is 385048779881. The next prime is 385048779967. The reversal of 385048779884 is 488977840583.

It is not an unprimeable number, because it can be changed into a prime (385048779881) 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 7 ways as a sum of consecutive naturals, for example, 4416302 + ... + 4502645.

It is an arithmetic number, because the mean of its divisors is an integer number (28843877832).

Almost surely, 2385048779884 is an apocalyptic number.

It is an amenable number.

385048779884 is a deficient number, since it is larger than the sum of its proper divisors (307204288084).

385048779884 is a wasteful number, since it uses less digits than its factorization.

385048779884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919245 (or 8919243 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 71.

The spelling of 385048779884 in words is "three hundred eighty-five billion, forty-eight million, seven hundred seventy-nine thousand, eight hundred eighty-four".

Divisors: 1 2 4 43 86 172 251 502 1004 10793 21586 43172 8918947 17837894 35675788 383514721 767029442 1534058884 2238655697 4477311394 8954622788 96262194971 192524389942 385048779884