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20303313030000 = 24325471113376091
BaseRepresentation
bin1001001110111001110111…
…10000101100101101110000
32122212222101210102220011200
410213130323300230231300
510130122141113430000
6111103114021011200
74163603011155660
oct447347360545560
978788353386150
1020303313030000
11651864a998860
12233ab02553b00
13b43795607710
145029853ac1a0
1525320831d500
hex12773bc2cb70

20303313030000 has 2400 divisors, whose sum is σ = 97926185989632. Its totient is φ = 3788467200000.

The previous prime is 20303313029983. The next prime is 20303313030001. The reversal of 20303313030000 is 3031330302.

20303313030000 is a `hidden beast` number, since 2 + 0 + 3 + 0 + 331 + 30 + 300 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303313030001) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 3333326955 + ... + 3333333045.

Almost surely, 220303313030000 is an apocalyptic number.

20303313030000 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 20303313030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48963092994816).

20303313030000 is an abundant number, since it is smaller than the sum of its proper divisors (77622872959632).

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

20303313030000 is a wasteful number, since it uses less digits than its factorization.

20303313030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193 (or 6169 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

Adding to 20303313030000 its reverse (3031330302), we get a palindrome (20306344360302).

The spelling of 20303313030000 in words is "twenty trillion, three hundred three billion, three hundred thirteen million, thirty thousand".