Search a number
-
+
19488790616000 = 265317881916249
BaseRepresentation
bin1000110111001100101100…
…11100010001011111000000
32120000002222022211002022212
410123212112130101133000
510023301020344203000
6105241005442521252
74051006253656346
oct433462634213700
976002868732285
1019488790616000
11623417125a522
122229084666228
13ab4a28a49c84
144b5396421996
1523be35103c35
hex11b9967117c0

19488790616000 has 224 divisors, whose sum is σ = 51111988200000. Its totient is φ = 7335673036800.

The previous prime is 19488790615999. The next prime is 19488790616021. The reversal of 19488790616000 is 61609788491.

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, 1199375876 + ... + 1199392124.

It is an arithmetic number, because the mean of its divisors is an integer number (228178518750).

Almost surely, 219488790616000 is an apocalyptic number.

19488790616000 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 19488790616000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25555994100000).

19488790616000 is an abundant number, since it is smaller than the sum of its proper divisors (31623197584000).

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

19488790616000 is a wasteful number, since it uses less digits than its factorization.

19488790616000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112 (or 25092 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 19488790616000 in words is "nineteen trillion, four hundred eighty-eight billion, seven hundred ninety million, six hundred sixteen thousand".