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203102200000 = 26557239607
BaseRepresentation
bin1011110100100111010…
…1011010000011000000
3201102020112121202212201
42331021311122003000
511311423130400000
6233145345002544
720450030133610
oct2751165320300
9642215552781
10203102200000
1179153995a57
1233442623454
13161c9c3768b
149b8a0cca40
15543a9a496a
hex2f49d5a0c0

203102200000 has 336 divisors, whose sum is σ = 579082936320. Its totient is φ = 69229440000.

The previous prime is 203102199991. The next prime is 203102200027. The reversal of 203102200000 is 2201302.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 203102200000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334599697 + ... + 334600303.

It is an arithmetic number, because the mean of its divisors is an integer number (1723461120).

Almost surely, 2203102200000 is an apocalyptic number.

203102200000 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 203102200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289541468160).

203102200000 is an abundant number, since it is smaller than the sum of its proper divisors (375980736320).

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

203102200000 is an frugal number, since it uses more digits than its factorization.

203102200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 203102200000 its reverse (2201302), we get a palindrome (203104401302).

The spelling of 203102200000 in words is "two hundred three billion, one hundred two million, two hundred thousand".