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203132130322240 = 26571634091360253
BaseRepresentation
bin101110001011111101100010…
…011110000110011101000000
3222122020020112102102011101001
4232023331202132012131000
5203111104100330302430
62000005340140221344
760533545360633150
oct5613754236063500
9878206472364331
10203132130322240
11597a6941a17849
121a94844b53a854
13894637c139cc2
14382390ccc6760
151873ded69d3ca
hexb8bf62786740

203132130322240 has 224 divisors, whose sum is σ = 557561367740160. Its totient is φ = 69048742035456.

The previous prime is 203132130322217. The next prime is 203132130322259. The reversal of 203132130322240 is 42223031231302.

203132130322240 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 203132130322199 and 203132130322208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148653954 + ... + 150014206.

It is an arithmetic number, because the mean of its divisors is an integer number (2489113248840).

Almost surely, 2203132130322240 is an apocalyptic number.

203132130322240 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 203132130322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278780683870080).

203132130322240 is an abundant number, since it is smaller than the sum of its proper divisors (354429237417920).

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

203132130322240 is a wasteful number, since it uses less digits than its factorization.

203132130322240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360849 (or 1360839 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203132130322240 its reverse (42223031231302), we get a palindrome (245355161553542).

The spelling of 203132130322240 in words is "two hundred three trillion, one hundred thirty-two billion, one hundred thirty million, three hundred twenty-two thousand, two hundred forty".