Search a number
-
+
19688480883552 = 25313137382130137
BaseRepresentation
bin1000111101000000101001…
…11010001100001101100000
32120201012102002021201210010
410132200110322030031200
510040034002101233202
6105512432510204520
74101305624150325
oct436402472141540
976635362251703
1019688480883552
1163009241aa098
12225b9144b3740
13aca800b414c0
144c0cdb318b4c
1524222129576c
hex11e814e8c360

19688480883552 has 192 divisors, whose sum is σ = 56080615840704. Its totient is φ = 6012001812480.

The previous prime is 19688480883541. The next prime is 19688480883581. The reversal of 19688480883552 is 25538808488691.

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, 653284228 + ... + 653314364.

It is an arithmetic number, because the mean of its divisors is an integer number (292086540837).

Almost surely, 219688480883552 is an apocalyptic number.

19688480883552 is a gapful number since it is divisible by the number (12) 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 19688480883552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28040307920352).

19688480883552 is an abundant number, since it is smaller than the sum of its proper divisors (36392134957152).

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

19688480883552 is a wasteful number, since it uses less digits than its factorization.

19688480883552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34121 (or 34113 counting only the distinct ones).

The product of its (nonzero) digits is 1061683200, while the sum is 75.

The spelling of 19688480883552 in words is "nineteen trillion, six hundred eighty-eight billion, four hundred eighty million, eight hundred eighty-three thousand, five hundred fifty-two".