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2013121330 = 251119792899
BaseRepresentation
bin111011111111101…
…1100101100110010
312012022001011022021
41313333130230302
513110324340310
6531432102054
7100613151253
oct16777345462
95168034267
102013121330
11943399940
1248223492a
132610bc86c
14151512b2a
15bbb055da
hex77fdcb32

2013121330 has 32 divisors (see below), whose sum is σ = 3973147200. Its totient is φ = 728320320.

The previous prime is 2013121289. The next prime is 2013121337. The reversal of 2013121330 is 331213102.

2013121330 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2013121337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24780 + ... + 68119.

It is an arithmetic number, because the mean of its divisors is an integer number (124160850).

Almost surely, 22013121330 is an apocalyptic number.

2013121330 is a deficient number, since it is larger than the sum of its proper divisors (1960025870).

2013121330 is a wasteful number, since it uses less digits than its factorization.

2013121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93114.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2013121330 is about 44867.8206513309. The cubic root of 2013121330 is about 1262.6703528583.

Adding to 2013121330 its reverse (331213102), we get a palindrome (2344334432).

The spelling of 2013121330 in words is "two billion, thirteen million, one hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 197 394 985 1970 2167 4334 10835 21670 92899 185798 464495 928990 1021889 2043778 5109445 10218890 18301103 36602206 91505515 183011030 201312133 402624266 1006560665 2013121330