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56444210122 = 228222105061
BaseRepresentation
bin110100100100010101…
…100100101111001010
312101200200201222000211
4310210111210233022
51411044204210442
641532523151334
74035511604236
oct644425445712
9171620658024
1056444210122
1121a35315543
12ab3307554a
135426b89001
142a365315c6
1517054c5617
hexd24564bca

56444210122 has 4 divisors (see below), whose sum is σ = 84666315186. Its totient is φ = 28222105060.

The previous prime is 56444210113. The next prime is 56444210131. The reversal of 56444210122 is 22101244465.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (56444210113) and next prime (56444210131).

It can be written as a sum of positive squares in only one way, i.e., 55819260121 + 624950001 = 236261^2 + 24999^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 14111052529 + ... + 14111052532.

Almost surely, 256444210122 is an apocalyptic number.

56444210122 is a deficient number, since it is larger than the sum of its proper divisors (28222105064).

56444210122 is a wasteful number, since it uses less digits than its factorization.

56444210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28222105063.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 56444210122 its reverse (22101244465), we get a palindrome (78545454587).

It can be divided in two parts, 564442 and 10122, that added together give a square (574564 = 7582).

The spelling of 56444210122 in words is "fifty-six billion, four hundred forty-four million, two hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 28222105061 56444210122