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4890681917 = 11444607447
BaseRepresentation
bin1001000111000000…
…11110001000111101
3110121211200101100022
410203200132020331
540004003310132
62125144141525
7232124052602
oct44340361075
913554611308
104890681917
11208a731790
12b45a678a5
135cc304a34
143457666a9
151d9560e12
hex12381e23d

4890681917 has 4 divisors (see below), whose sum is σ = 5335289376. Its totient is φ = 4446074460.

The previous prime is 4890681911. The next prime is 4890681977. The reversal of 4890681917 is 7191860984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4890681917 - 212 = 4890677821 is a prime.

It is a super-2 number, since 2×48906819172 = 47837539226541589778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4890681911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222303713 + ... + 222303734.

It is an arithmetic number, because the mean of its divisors is an integer number (1333822344).

Almost surely, 24890681917 is an apocalyptic number.

It is an amenable number.

4890681917 is a deficient number, since it is larger than the sum of its proper divisors (444607459).

4890681917 is a wasteful number, since it uses less digits than its factorization.

4890681917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444607458.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 4890681917 is about 69933.4105917908. The cubic root of 4890681917 is about 1697.4219189129.

The spelling of 4890681917 in words is "four billion, eight hundred ninety million, six hundred eighty-one thousand, nine hundred seventeen".

Divisors: 1 11 444607447 4890681917