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2013120030 = 235106363127
BaseRepresentation
bin111011111111101…
…1100011000011110
312012022001002112010
41313333130120132
513110324320110
6531432052050
7100613144415
oct16777343036
95168032463
102013120030
11943398969
12482234026
132610bc0ac
1415151247c
15bbb05020
hex77fdc61e

2013120030 has 32 divisors (see below), whose sum is σ = 4836109824. Its totient is φ = 536318496.

The previous prime is 2013120023. The next prime is 2013120047. The reversal of 2013120030 is 300213102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2013119988 and 2013120015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 63453.

It is an arithmetic number, because the mean of its divisors is an integer number (151128432).

Almost surely, 22013120030 is an apocalyptic number.

2013120030 is an abundant number, since it is smaller than the sum of its proper divisors (2822989794).

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

2013120030 is a wasteful number, since it uses less digits than its factorization.

2013120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64200.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2013120030 is about 44867.8061643312. The cubic root of 2013120030 is about 1262.6700810628.

Adding to 2013120030 its reverse (300213102), we get a palindrome (2313333132).

The spelling of 2013120030 in words is "two billion, thirteen million, one hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1063 2126 3189 5315 6378 10630 15945 31890 63127 126254 189381 315635 378762 631270 946905 1893810 67104001 134208002 201312003 335520005 402624006 671040010 1006560015 2013120030