Search a number
-
+
20031203000000 = 265642434721
BaseRepresentation
bin1001000110111111000001…
…01111010011111011000000
32121220222000222102010210102
410203133200233103323000
510111142400432000000
6110334112502421532
74135130612112233
oct443374057237300
977828028363712
1020031203000000
116423204976845
1222b62214318a8
13b23c1b98094a
144d373037741a
1524b0ce3de3d5
hex1237e0bd3ec0

20031203000000 has 196 divisors, whose sum is σ = 49708374193416. Its totient is φ = 8008896000000.

The previous prime is 20031202999897. The next prime is 20031203000009. The reversal of 20031203000000 is 30213002.

It is not an unprimeable number, because it can be changed into a prime (20031203000009) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 4242997640 + ... + 4243002360.

Almost surely, 220031203000000 is an apocalyptic number.

20031203000000 is a gapful number since it is divisible by the number (20) 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 20031203000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24854187096708).

20031203000000 is an abundant number, since it is smaller than the sum of its proper divisors (29677171193416).

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

20031203000000 is an frugal number, since it uses more digits than its factorization.

20031203000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006 (or 8971 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 20031203000000 its reverse (30213002), we get a palindrome (20031233213002).

The spelling of 20031203000000 in words is "twenty trillion, thirty-one billion, two hundred three million", and thus it is an aban number.