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47000000000000 = 21251247
BaseRepresentation
bin10101010111111000010100…
…10011011111000000000000
320011102011012210212222200202
422223330022103133000000
522130022000000000000
6243543300225504332
712620431546234025
oct1253741223370000
9204364183788622
1047000000000000
1113a80651792413
125330ab8aa20a8
13202c108bc3098
14b86b5271154c
155678a041add5
hex2abf0a4df000

47000000000000 has 338 divisors, whose sum is σ = 119985351464208. Its totient is φ = 18400000000000.

The previous prime is 46999999999957. The next prime is 47000000000099. The reversal of 47000000000000 is 74.

It is a junction number, because it is equal to n+sod(n) for n = 46999999999891 and 46999999999900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 25 ways as a sum of consecutive naturals, for example, 999999999977 + ... + 1000000000023.

Almost surely, 247000000000000 is an apocalyptic number.

47000000000000 is a gapful number since it is divisible by the number (40) 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 47000000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59992675732104).

47000000000000 is an abundant number, since it is smaller than the sum of its proper divisors (72985351464208).

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

47000000000000 is an frugal number, since it uses more digits than its factorization.

47000000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 11.

Adding to 47000000000000 its reverse (74), we get a palindrome (47000000000074).

The spelling of 47000000000000 in words is "forty-seven trillion", and thus it is an aban number and an uban number.