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20031000033000 = 23353111016009901
BaseRepresentation
bin1001000110111110101001…
…01001000011011011101000
32121220221111211111100102010
410203133110221003123220
510111141442002024000
6110334040412235520
74135122565656555
oct443372451033350
977827454440363
1020031000033000
116423110347720
1222b618546bba0
13b23bb88c8028
144d3711421a2c
1524b0bb69ad50
hex1237d4a436e8

20031000033000 has 256 divisors, whose sum is σ = 68853283649280. Its totient is φ = 4807920000000.

The previous prime is 20031000032987. The next prime is 20031000033029. The reversal of 20031000033000 is 33000013002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 328050 + ... + 6337950.

It is an arithmetic number, because the mean of its divisors is an integer number (268958139255).

Almost surely, 220031000033000 is an apocalyptic number.

20031000033000 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 20031000033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34426641824640).

20031000033000 is an abundant number, since it is smaller than the sum of its proper divisors (48822283616280).

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

20031000033000 is a wasteful number, since it uses less digits than its factorization.

20031000033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010037 (or 6010023 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 20031000033000 its reverse (33000013002), we get a palindrome (20064000046002).

The spelling of 20031000033000 in words is "twenty trillion, thirty-one billion, thirty-three thousand".