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20130033012 = 22318124593769
BaseRepresentation
bin10010101111110101…
…111110110101110100
31220221220012122000020
4102233311332311310
5312211242024022
613125252245140
71311561312615
oct225765766564
956856178006
1020130033012
11859a973821
123a996107b0
131b8a60544b
14d8d693c0c
157cc3a435c
hex4afd7ed74

20130033012 has 48 divisors (see below), whose sum is σ = 47261323200. Its totient is φ = 6668455680.

The previous prime is 20130032987. The next prime is 20130033023. The reversal of 20130033012 is 21033003102.

It is a junction number, because it is equal to n+sod(n) for n = 20130032982 and 20130033000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5339064 + ... + 5342832.

It is an arithmetic number, because the mean of its divisors is an integer number (984610900).

Almost surely, 220130033012 is an apocalyptic number.

It is an amenable number.

20130033012 is an abundant number, since it is smaller than the sum of its proper divisors (27131290188).

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

20130033012 is a wasteful number, since it uses less digits than its factorization.

20130033012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416 (or 6414 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20130033012 its reverse (21033003102), we get a palindrome (41163036114).

The spelling of 20130033012 in words is "twenty billion, one hundred thirty million, thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 181 362 543 724 1086 2172 2459 3769 4918 7377 7538 9836 11307 14754 15076 22614 29508 45228 445079 682189 890158 1335237 1364378 1780316 2046567 2670474 2728756 4093134 5340948 8186268 9267971 18535942 27803913 37071884 55607826 111215652 1677502751 3355005502 5032508253 6710011004 10065016506 20130033012