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384623500385 = 5416130757577
BaseRepresentation
bin1011001100011010101…
…10001101110001100001
31100202210001222020221002
411212031112031301201
522300202104003020
6452405452241345
736534220545035
oct5461526156141
91322701866832
10384623500385
11139132a36683
1262661770255
132a367abb467
1414889d741c5
15a011a13975
hex598d58dc61

384623500385 has 16 divisors (see below), whose sum is σ = 480556398672. Its totient is φ = 295272729600.

The previous prime is 384623500363. The next prime is 384623500397. The reversal of 384623500385 is 583005326483.

It can be written as a sum of positive squares in 8 ways, for example, as 83086333009 + 301537167376 = 288247^2 + 549124^2 .

It is not a de Polignac number, because 384623500385 - 210 = 384623499361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15366284 + ... + 15391293.

It is an arithmetic number, because the mean of its divisors is an integer number (30034774917).

Almost surely, 2384623500385 is an apocalyptic number.

It is an amenable number.

384623500385 is a deficient number, since it is larger than the sum of its proper divisors (95932898287).

384623500385 is a wasteful number, since it uses less digits than its factorization.

384623500385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30757684.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 384623500385 in words is "three hundred eighty-four billion, six hundred twenty-three million, five hundred thousand, three hundred eighty-five".

Divisors: 1 5 41 61 205 305 2501 12505 30757577 153787885 1261060657 1876212197 6305303285 9381060985 76924700077 384623500385