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13020130120 = 235907358879
BaseRepresentation
bin11000010000000111…
…10110101101001000
31020121101200010210111
430020003312231020
5203131123130440
65551550324104
7640436165014
oct141003665510
936541603714
1013020130120
115581584518
1226344b9634
1312c65cc40a
148b72c9544
155130cb4ea
hex3080f6b48

13020130120 has 32 divisors (see below), whose sum is σ = 29327673600. Its totient is φ = 5202295488.

The previous prime is 13020130111. The next prime is 13020130121. The reversal of 13020130120 is 2103102031.

It is a self number, because there is not a number n which added to its sum of digits gives 13020130120.

It is not an unprimeable number, because it can be changed into a prime (13020130121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143160 + ... + 215719.

It is an arithmetic number, because the mean of its divisors is an integer number (916489800).

Almost surely, 213020130120 is an apocalyptic number.

13020130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020130120 is an abundant number, since it is smaller than the sum of its proper divisors (16307543480).

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

13020130120 is a wasteful number, since it uses less digits than its factorization.

13020130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359797 (or 359793 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13020130120 its reverse (2103102031), we get a palindrome (15123232151).

The spelling of 13020130120 in words is "thirteen billion, twenty million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 907 1814 3628 4535 7256 9070 18140 36280 358879 717758 1435516 1794395 2871032 3588790 7177580 14355160 325503253 651006506 1302013012 1627516265 2604026024 3255032530 6510065060 13020130120