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13207645000000 = 265711240139
BaseRepresentation
bin1100000000110010010011…
…1111010001000101000000
31201202122020111012110020001
43000030210333101011000
53212343224110000000
644031301445325344
72532135520105213
oct300144477210500
951678214173201
1013207645000000
114232370309610
121593891706854
1374a624b03719
143393795a177a
1517d863d8146a
hexc0324fd1140

13207645000000 has 224 divisors, whose sum is σ = 35739494444160. Its totient is φ = 4802760000000.

The previous prime is 13207644999979. The next prime is 13207645000049. The reversal of 13207645000000 is 54670231.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54879931 + ... + 55120069.

Almost surely, 213207645000000 is an apocalyptic number.

13207645000000 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 13207645000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17869747222080).

13207645000000 is an abundant number, since it is smaller than the sum of its proper divisors (22531849444160).

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

13207645000000 is an frugal number, since it uses more digits than its factorization.

13207645000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240197 (or 240157 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 13207645000000 its reverse (54670231), we get a palindrome (13207699670231).

The spelling of 13207645000000 in words is "thirteen trillion, two hundred seven billion, six hundred forty-five million", and thus it is an aban number.