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10303330123220 = 225515166506161
BaseRepresentation
bin1001010111101110111001…
…0101001111110111010100
31100110222200210101001211112
42111323232111033313110
52322302210002420340
633525141242154152
72112251061013001
oct225735625176724
940428623331745
1010303330123220
11331268827a172
1211a4a304b2958
135997a4b85534
1427898064c8a8
1512d02eb55065
hex95eee54fdd4

10303330123220 has 12 divisors (see below), whose sum is σ = 21636993258804. Its totient is φ = 4121332049280.

The previous prime is 10303330123213. The next prime is 10303330123223. The reversal of 10303330123220 is 2232103330301.

It can be written as a sum of positive squares in 2 ways, for example, as 6655337082436 + 3647993040784 = 2579794^2 + 1909972^2 .

It is a super-2 number, since 2×103033301232202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303330123223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257583253061 + ... + 257583253100.

It is an arithmetic number, because the mean of its divisors is an integer number (1803082771567).

Almost surely, 210303330123220 is an apocalyptic number.

10303330123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10303330123220 is an abundant number, since it is smaller than the sum of its proper divisors (11333663135584).

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

10303330123220 is a wasteful number, since it uses less digits than its factorization.

10303330123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515166506170 (or 515166506168 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 10303330123220 its reverse (2232103330301), we get a palindrome (12535433453521).

The spelling of 10303330123220 in words is "ten trillion, three hundred three billion, three hundred thirty million, one hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 515166506161 1030333012322 2060666024644 2575832530805 5151665061610 10303330123220