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385405183852 = 221323322245137
BaseRepresentation
bin1011001101110111111…
…00000110011101101100
31100211210112211220001121
411212323330012131230
522303302211340402
6453015214350324
736562462003423
oct5467374063554
91324715756047
10385405183852
111394a41a6a77
126283b4bb3a4
132a460a2a260
1414921ad22ba
15a05a46d837
hex59bbf0676c

385405183852 has 24 divisors (see below), whose sum is σ = 757920564576. Its totient is φ = 170145431808.

The previous prime is 385405183831. The next prime is 385405183871. The reversal of 385405183852 is 258381504583.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 385405183852.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 161121373 + ... + 161123764.

It is an arithmetic number, because the mean of its divisors is an integer number (31580023524).

Almost surely, 2385405183852 is an apocalyptic number.

It is an amenable number.

385405183852 is a deficient number, since it is larger than the sum of its proper divisors (372515380724).

385405183852 is a wasteful number, since it uses less digits than its factorization.

385405183852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322245177 (or 322245175 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 52.

The spelling of 385405183852 in words is "three hundred eighty-five billion, four hundred five million, one hundred eighty-three thousand, eight hundred fifty-two".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 322245137 644490274 1288980548 4189186781 7411638151 8378373562 14823276302 16756747124 29646552604 96351295963 192702591926 385405183852