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1312120230110 = 25719318241627
BaseRepresentation
bin10011000110000000011…
…101011101000011011110
311122102210220200221021122
4103012000131131003132
5132444210234330420
62442440230130542
7163540363635254
oct23060035350336
94572726627248
101312120230110
11466515732498
1219236a4b0a52
139696a136831
14477151425d4
15241e7ee4725
hex1318075d0de

1312120230110 has 16 divisors (see below), whose sum is σ = 2362144892976. Its totient is φ = 524775096768.

The previous prime is 1312120230103. The next prime is 1312120230121. The reversal of 1312120230110 is 110320212131.

It is a super-2 number, since 2×13121202301102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9048884 + ... + 9192743.

It is an arithmetic number, because the mean of its divisors is an integer number (147634055811).

Almost surely, 21312120230110 is an apocalyptic number.

1312120230110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312120230110 is a deficient number, since it is larger than the sum of its proper divisors (1050024662866).

1312120230110 is a wasteful number, since it uses less digits than its factorization.

1312120230110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18248827.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1312120230110 its reverse (110320212131), we get a palindrome (1422440442241).

The spelling of 1312120230110 in words is "one trillion, three hundred twelve billion, one hundred twenty million, two hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 7193 14386 35965 71930 18241627 36483254 91208135 182416270 131212023011 262424046022 656060115055 1312120230110