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300031020003220 = 2251111343180934613
BaseRepresentation
bin100010000111000000110101…
…0010111100110111110010100
31110100022200111122120000121021
41010032001222113212332110
5303311202012110100340
62542040203042330524
7120124345241241202
oct10416015227467624
91410280448500537
10300031020003220
1187665493aaa020
1229798031659a44
13cb54a5abbbacc
145413816518072
1524a4766cbae4a
hex110e06a5e6f94

300031020003220 has 192 divisors, whose sum is σ = 695914591841280. Its totient is φ = 107749315788800.

The previous prime is 300031020003179. The next prime is 300031020003293. The reversal of 300031020003220 is 22300020130003.

It is a super-2 number, since 2×3000310200032202 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 300031020003194 and 300031020003203.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 8668142634 + ... + 8668177246.

It is an arithmetic number, because the mean of its divisors is an integer number (3624555165840).

Almost surely, 2300031020003220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300031020003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347957295920640).

300031020003220 is an abundant number, since it is smaller than the sum of its proper divisors (395883571838060).

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

300031020003220 is a wasteful number, since it uses less digits than its factorization.

300031020003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35986 (or 35984 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 300031020003220 its reverse (22300020130003), we get a palindrome (322331040133223).

The spelling of 300031020003220 in words is "three hundred trillion, thirty-one billion, twenty million, three thousand, two hundred twenty".