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1303112323020 = 2235172739710613
BaseRepresentation
bin10010111101100111100…
…011000000111111001100
311121120120010201211210010
4102331213203000333030
5132322233223314040
62434350323313220
7163101223662414
oct22754743007714
94546503654703
101303112323020
11462712a30582
1219067581b810
1395b62b484b1
14470dca6d644
1523d6c2a4e80
hex12f678c0fcc

1303112323020 has 288 divisors, whose sum is σ = 3969945419328. Its totient is φ = 319219826688.

The previous prime is 1303112322991. The next prime is 1303112323091. The reversal of 1303112323020 is 203232113031.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 122779234 + ... + 122789846.

It is an arithmetic number, because the mean of its divisors is an integer number (13784532706).

Almost surely, 21303112323020 is an apocalyptic number.

1303112323020 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 1303112323020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984972709664).

1303112323020 is an abundant number, since it is smaller than the sum of its proper divisors (2666833096308).

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

1303112323020 is a wasteful number, since it uses less digits than its factorization.

1303112323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10829 (or 10810 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303112323020 its reverse (203232113031), we get a palindrome (1506344436051).

The spelling of 1303112323020 in words is "one trillion, three hundred three billion, one hundred twelve million, three hundred twenty-three thousand, twenty".