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310544445012 = 22325878703751
BaseRepresentation
bin1001000010011011110…
…01000010111001010100
31002200120101011100000120
410201031321002321110
520041443334220022
6354355005111540
731302403141464
oct4411571027124
91080511140016
10310544445012
1110a77927496a
12502288585b0
1323390562c99
141105d709ba4
158128263d5c
hex484de42e54

310544445012 has 12 divisors (see below), whose sum is σ = 724603705056. Its totient is φ = 103514815000.

The previous prime is 310544445007. The next prime is 310544445019. The reversal of 310544445012 is 210544445013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3105444450122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310544445019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12939351864 + ... + 12939351887.

It is an arithmetic number, because the mean of its divisors is an integer number (60383642088).

Almost surely, 2310544445012 is an apocalyptic number.

It is an amenable number.

310544445012 is an abundant number, since it is smaller than the sum of its proper divisors (414059260044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

310544445012 is a wasteful number, since it uses less digits than its factorization.

310544445012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25878703758 (or 25878703756 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Subtracting from 310544445012 its reverse (210544445013), we obtain a palindrome (99999999999).

The spelling of 310544445012 in words is "three hundred ten billion, five hundred forty-four million, four hundred forty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 25878703751 51757407502 77636111253 103514815004 155272222506 310544445012