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1303210110020 = 22571310321613217
BaseRepresentation
bin10010111101101101011…
…000000010110001000100
311121120210221201221022212
4102331231120002301010
5132322433242010040
62434404135242552
7163103522106620
oct22755530026104
94546727657285
101303210110020
11462763150385
121906a2519458
1395b7a195920
144710ba46180
1523d75b6dd65
hex12f6d602c44

1303210110020 has 192 divisors, whose sum is σ = 3403630304256. Its totient is φ = 408124293120.

The previous prime is 1303210110011. The next prime is 1303210110133. The reversal of 1303210110020 is 200110123031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1303210109977 and 1303210110004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 405099452 + ... + 405102668.

It is an arithmetic number, because the mean of its divisors is an integer number (17727241168).

Almost surely, 21303210110020 is an apocalyptic number.

1303210110020 is a gapful number since it is divisible by the number (10) 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 1303210110020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1701815152128).

1303210110020 is an abundant number, since it is smaller than the sum of its proper divisors (2100420194236).

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

1303210110020 is a wasteful number, since it uses less digits than its factorization.

1303210110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510 (or 5508 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1303210110020 its reverse (200110123031), we get a palindrome (1503320233051).

The spelling of 1303210110020 in words is "one trillion, three hundred three billion, two hundred ten million, one hundred ten thousand, twenty".