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1312424015 = 57107350447
BaseRepresentation
bin100111000111010…
…0000000001001111
310101110120001021212
41032032200001033
510141440032030
6334121445035
744344264040
oct11616400117
93343501255
101312424015
11613913651
1230764077b
1317bb97c76
14c64368c7
157a346595
hex4e3a004f

1312424015 has 16 divisors (see below), whose sum is σ = 1816722432. Its totient is φ = 891534624.

The previous prime is 1312423979. The next prime is 1312424017. The reversal of 1312424015 is 5104242131.

It is a cyclic number.

It is not a de Polignac number, because 1312424015 - 216 = 1312358479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312424017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171479 + ... + 178968.

It is an arithmetic number, because the mean of its divisors is an integer number (113545152).

Almost surely, 21312424015 is an apocalyptic number.

1312424015 is a deficient number, since it is larger than the sum of its proper divisors (504298417).

1312424015 is a wasteful number, since it uses less digits than its factorization.

1312424015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350566.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1312424015 is about 36227.3931576645. The cubic root of 1312424015 is about 1094.8586558174.

Adding to 1312424015 its reverse (5104242131), we get a palindrome (6416666146).

The spelling of 1312424015 in words is "one billion, three hundred twelve million, four hundred twenty-four thousand, fifteen".

Divisors: 1 5 7 35 107 535 749 3745 350447 1752235 2453129 12265645 37497829 187489145 262484803 1312424015