Search a number
-
+
13020232000 = 26531795737
BaseRepresentation
bin11000010000001000…
…01111100101000000
31020121101212022112211
430020010033211000
5203131134411000
65551552431504
7640440101026
oct141004174500
936541768484
1013020232000
115581644016
122634548594
1312c66368b9
148b7314716
155130eb7ba
hex30810f940

13020232000 has 112 divisors (see below), whose sum is σ = 34141702608. Its totient is φ = 4901683200.

The previous prime is 13020231929. The next prime is 13020232003. The reversal of 13020232000 is 23202031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 176996416 + 12843235584 = 13304^2 + 113328^2 .

It is a super-3 number, since 3×130202320003 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020232003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88132 + ... + 183868.

Almost surely, 213020232000 is an apocalyptic number.

13020232000 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 13020232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17070851304).

13020232000 is an abundant number, since it is smaller than the sum of its proper divisors (21121470608).

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

13020232000 is an equidigital number, since it uses as much as digits as its factorization.

13020232000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95781 (or 95761 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 13020232000 its reverse (23202031), we get a palindrome (13043434031).

The spelling of 13020232000 in words is "thirteen billion, twenty million, two hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 136 160 170 200 250 272 320 340 400 425 500 544 680 800 850 1000 1088 1360 1600 1700 2000 2125 2720 3400 4000 4250 5440 6800 8000 8500 13600 17000 27200 34000 68000 95737 136000 191474 382948 478685 765896 957370 1531792 1627529 1914740 2393425 3063584 3255058 3829480 4786850 6127168 6510116 7658960 8137645 9573700 11967125 13020232 15317920 16275290 19147400 23934250 26040464 30635840 32550580 38294800 40688225 47868500 52080928 65101160 76589600 81376450 95737000 104161856 130202320 153179200 162752900 191474000 203441125 260404640 325505800 382948000 406882250 520809280 651011600 765896000 813764500 1302023200 1627529000 2604046400 3255058000 6510116000 13020232000