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2021302330320 = 243571347241897
BaseRepresentation
bin11101011010011111000…
…000011110001111010000
321011020100000221100120010
4131122133000132033100
5231104111344032240
64144323511514520
7266014520216250
oct35323700361720
97136300840503
102021302330320
1170a258519959
122878aa088a40
131187b99b1860
146db8db01960
15378a3249280
hex1d69f01e3d0

2021302330320 has 480 divisors, whose sum is σ = 7879811159808. Its totient is φ = 417388732416.

The previous prime is 2021302330297. The next prime is 2021302330321. The reversal of 2021302330320 is 230332031202.

It is a super-2 number, since 2×20213023303202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021302330321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48223612 + ... + 48265508.

Almost surely, 22021302330320 is an apocalyptic number.

2021302330320 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 2021302330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939905579904).

2021302330320 is an abundant number, since it is smaller than the sum of its proper divisors (5858508829488).

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

2021302330320 is a wasteful number, since it uses less digits than its factorization.

2021302330320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42027 (or 41974 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 2021302330320 its reverse (230332031202), we get a palindrome (2251634361522).

The spelling of 2021302330320 in words is "two trillion, twenty-one billion, three hundred two million, three hundred thirty thousand, three hundred twenty".