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13998897070080 = 215351319671721
BaseRepresentation
bin1100101110110101111101…
…0010011000000000000000
31211120021121012120022100020
43023231133102120000000
53313324220122220310
645435000551253440
72643246501532326
oct313553722300000
954507535508306
1013998897070080
11450799849a05a
1216a10b637a280
137a71235b87b0
1436579bba9d16
15194224189170
hexcbb5f498000

13998897070080 has 1024 divisors, whose sum is σ = 51568516339200. Its totient is φ = 3213927383040.

The previous prime is 13998897070007. The next prime is 13998897070117. The reversal of 13998897070080 is 8007079889931.

It is a tau number, because it is divible by the number of its divisors (1024).

It is a junction number, because it is equal to n+sod(n) for n = 13998897069987 and 13998897070014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8134163620 + ... + 8134165340.

Almost surely, 213998897070080 is an apocalyptic number.

13998897070080 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 13998897070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25784258169600).

13998897070080 is an abundant number, since it is smaller than the sum of its proper divisors (37569619269120).

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

13998897070080 is a wasteful number, since it uses less digits than its factorization.

13998897070080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 69.

The spelling of 13998897070080 in words is "thirteen trillion, nine hundred ninety-eight billion, eight hundred ninety-seven million, seventy thousand, eighty".