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202300000000 = 28587172
BaseRepresentation
bin1011110001101000000…
…1010000011100000000
3201100011122010210100121
42330122001100130000
511303302300000000
6232534011030024
720421116425240
oct2743201203400
9640148123317
10202300000000
117888209224a
1233259a3b314
13160cc994317
149b1174db20
1553e0345b1a
hex2f1a050700

202300000000 has 486 divisors, whose sum is σ = 612800467496. Its totient is φ = 65280000000.

The previous prime is 202299999989. The next prime is 202300000039. The reversal of 202300000000 is 3202.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 11899999992 + ... + 11900000008.

Almost surely, 2202300000000 is an apocalyptic number.

202300000000 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 202300000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306400233748).

202300000000 is an abundant number, since it is smaller than the sum of its proper divisors (410500467496).

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

202300000000 is an frugal number, since it uses more digits than its factorization.

202300000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

Adding to 202300000000 its reverse (3202), we get a palindrome (202300003202).

The spelling of 202300000000 in words is "two hundred two billion, three hundred million", and thus it is an aban number.