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13144305440000 = 2854711735987
BaseRepresentation
bin1011111101000110010110…
…1010000001010100000000
31201112120202020122102101102
42333101211222001110000
53210324014143040000
643542224402553532
72524434066532040
oct277214552012400
951476666572342
1013144305440000
114208517827709
1215835553688a8
1374466c522a37
1433628b395720
1517bda83643d5
hexbf465a81500

13144305440000 has 180 divisors, whose sum is σ = 37469817495264. Its totient is φ = 4506618624000.

The previous prime is 13144305439997. The next prime is 13144305440059. The reversal of 13144305440000 is 4450344131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4747994 + ... + 6987993.

Almost surely, 213144305440000 is an apocalyptic number.

13144305440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144305440000 is an abundant number, since it is smaller than the sum of its proper divisors (24325512055264).

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

13144305440000 is an frugal number, since it uses more digits than its factorization.

13144305440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736030 (or 11736001 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 13144305440000 its reverse (4450344131), we get a palindrome (13148755784131).

The spelling of 13144305440000 in words is "thirteen trillion, one hundred forty-four billion, three hundred five million, four hundred forty thousand".