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13331012000 = 255318118413
BaseRepresentation
bin11000110101001011…
…10001100110100000
31021102001122120120012
430122211301212200
5204300214341000
610042453504052
7651232506125
oct143245614640
937361576505
1013331012000
115721010699
122700642028
131345b3a2a7
149066d274c
15530539735
hex31a9719a0

13331012000 has 96 divisors (see below), whose sum is σ = 32937048144. Its totient is φ = 5302656000.

The previous prime is 13331011999. The next prime is 13331012011. The reversal of 13331012000 is 21013331.

It can be written as a sum of positive squares in 8 ways, for example, as 1046393104 + 12284618896 = 32348^2 + 110836^2 .

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, 714794 + ... + 733206.

Almost surely, 213331012000 is an apocalyptic number.

13331012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13331012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16468524072).

13331012000 is an abundant number, since it is smaller than the sum of its proper divisors (19606036144).

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

13331012000 is a wasteful number, since it uses less digits than its factorization.

13331012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18619 (or 18601 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13331012000 its reverse (21013331), we get a palindrome (13352025331).

The spelling of 13331012000 in words is "thirteen billion, three hundred thirty-one million, twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 181 200 250 362 400 500 724 800 905 1000 1448 1810 2000 2896 3620 4000 4525 5792 7240 9050 14480 18100 18413 22625 28960 36200 36826 45250 72400 73652 90500 92065 144800 147304 181000 184130 294608 362000 368260 460325 589216 724000 736520 920650 1473040 1841300 2301625 2946080 3332753 3682600 4603250 6665506 7365200 9206500 13331012 14730400 16663765 18413000 26662024 33327530 36826000 53324048 66655060 73652000 83318825 106648096 133310120 166637650 266620240 333275300 416594125 533240480 666550600 833188250 1333101200 1666376500 2666202400 3332753000 6665506000 13331012000