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1313120200000 = 26557937943
BaseRepresentation
bin10011000110111100000…
…100000010010101000000
311122112101121022200002111
4103012330010002111000
5133003232232400000
62443123351025104
7163604225352340
oct23067404022500
94575347280074
101313120200000
11466989135694
121925a936b194
1396a993630ab
14477abc82d20
1524255bbbcba
hex131bc102540

1313120200000 has 168 divisors, whose sum is σ = 3722227012224. Its totient is φ = 450212160000.

The previous prime is 1313120199977. The next prime is 1313120200001. The reversal of 1313120200000 is 20213131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313120200001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 931029 + ... + 1868971.

It is an arithmetic number, because the mean of its divisors is an integer number (22156113168).

Almost surely, 21313120200000 is an apocalyptic number.

1313120200000 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 1313120200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1861113506112).

1313120200000 is an abundant number, since it is smaller than the sum of its proper divisors (2409106812224).

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

1313120200000 is an frugal number, since it uses more digits than its factorization.

1313120200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937987 (or 937957 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1313120200000 its reverse (20213131), we get a palindrome (1313140413131).

The spelling of 1313120200000 in words is "one trillion, three hundred thirteen billion, one hundred twenty million, two hundred thousand".