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1313233200000 = 2732552831289
BaseRepresentation
bin10011000111000010110…
…011000110001110000000
311122112200110221122221200
4103013002303012032000
5133004000144400000
62443142505021200
7163610100010401
oct23070263061600
94575613848850
101313233200000
11466a369a6217
1219261b184800
1396ab68a8ab7
14477bcc999a8
1524260a8d500
hex131c2cc6380

1313233200000 has 576 divisors, whose sum is σ = 4743772160400. Its totient is φ = 348687360000.

The previous prime is 1313233199989. The next prime is 1313233200047. The reversal of 1313233200000 is 23323131.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1018799356 + ... + 1018800644.

Almost surely, 21313233200000 is an apocalyptic number.

1313233200000 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 1313233200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371886080200).

1313233200000 is an abundant number, since it is smaller than the sum of its proper divisors (3430538960400).

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

1313233200000 is an equidigital number, since it uses as much as digits as its factorization.

1313233200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1313233200000 its reverse (23323131), we get a palindrome (1313256523131).

The spelling of 1313233200000 in words is "one trillion, three hundred thirteen billion, two hundred thirty-three million, two hundred thousand".