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4883311981 = 137170920857
BaseRepresentation
bin1001000110001000…
…10110110101101101
3110121022210221200201
410203010112311231
540000111440411
62124322153501
7232004316112
oct44304266555
913538727621
104883311981
112086558629
12b434b2891
135ca924322
143447a8909
151d8aa73c1
hex123116d6d

4883311981 has 8 divisors (see below), whose sum is σ = 4922070840. Its totient is φ = 4844598528.

The previous prime is 4883311973. The next prime is 4883311987. The reversal of 4883311981 is 1891133884.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1487336356 + 3395975625 = 38566^2 + 58275^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4883311981 - 23 = 4883311973 is a prime.

It is a super-2 number, since 2×48833119812 = 47693471807556288722, 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 (4883311987) 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, 223705 + ... + 244561.

It is an arithmetic number, because the mean of its divisors is an integer number (615258855).

Almost surely, 24883311981 is an apocalyptic number.

It is an amenable number.

4883311981 is a deficient number, since it is larger than the sum of its proper divisors (38758859).

4883311981 is a wasteful number, since it uses less digits than its factorization.

4883311981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22703.

The product of its digits is 165888, while the sum is 46.

The square root of 4883311981 is about 69880.6982005761. The cubic root of 4883311981 is about 1696.5688558672.

The spelling of 4883311981 in words is "four billion, eight hundred eighty-three million, three hundred eleven thousand, nine hundred eighty-one".

Divisors: 1 137 1709 20857 234133 2857409 35644613 4883311981