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2385252163 = 71971729697
BaseRepresentation
bin1000111000101100…
…0000111101000011
320011020021100211201
42032023000331003
514341111032123
61032404122031
7113052210640
oct21613007503
96136240751
102385252163
11101445a288
12566996317
132c0224018
14188b00dc7
15de6115ad
hex8e2c0f43

2385252163 has 8 divisors (see below), whose sum is σ = 2739841632. Its totient is φ = 2034122496.

The previous prime is 2385252139. The next prime is 2385252197. The reversal of 2385252163 is 3612525832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2385252163 - 225 = 2351697731 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2385252763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863470 + ... + 866227.

It is an arithmetic number, because the mean of its divisors is an integer number (342480204).

Almost surely, 22385252163 is an apocalyptic number.

2385252163 is a deficient number, since it is larger than the sum of its proper divisors (354589469).

2385252163 is a wasteful number, since it uses less digits than its factorization.

2385252163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729901.

The product of its digits is 86400, while the sum is 37.

The square root of 2385252163 is about 48839.0434283883. The cubic root of 2385252163 is about 1336.1178502524.

Adding to 2385252163 its reverse (3612525832), we get a palindrome (5997777995).

The spelling of 2385252163 in words is "two billion, three hundred eighty-five million, two hundred fifty-two thousand, one hundred sixty-three".

Divisors: 1 7 197 1379 1729697 12107879 340750309 2385252163