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4885078385 = 511568315629
BaseRepresentation
bin1001000110010110…
…00110000101110001
3110121110010200202002
410203023012011301
540001040002020
62124424103345
7232025324015
oct44313060561
913543120662
104885078385
112087554770
12b44004b55
135cb0c2335
14344b08545
151d8d05975
hex1232c6171

4885078385 has 16 divisors (see below), whose sum is σ = 6396546240. Its totient is φ = 3551931840.

The previous prime is 4885078379. The next prime is 4885078403. The reversal of 4885078385 is 5838705884.

It is not a de Polignac number, because 4885078385 - 210 = 4885077361 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4885078385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304751 + ... + 320379.

It is an arithmetic number, because the mean of its divisors is an integer number (399784140).

Almost surely, 24885078385 is an apocalyptic number.

It is an amenable number.

4885078385 is a deficient number, since it is larger than the sum of its proper divisors (1511467855).

4885078385 is a wasteful number, since it uses less digits than its factorization.

4885078385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328.

The product of its (nonzero) digits is 8601600, while the sum is 56.

The square root of 4885078385 is about 69893.3357695854. The cubic root of 4885078385 is about 1696.7733936043.

The spelling of 4885078385 in words is "four billion, eight hundred eighty-five million, seventy-eight thousand, three hundred eighty-five".

Divisors: 1 5 11 55 5683 15629 28415 62513 78145 171919 312565 859595 88819607 444098035 977015677 4885078385