Search a number
-
+
126968725425984 = 2631310711312173457
BaseRepresentation
bin11100110111101000110101…
…110001101100111101000000
3121122120002110210010001002120
4130313220311301230331000
5113120223422202112414
61130012343251444240
735513121244023321
oct3467506561547500
9548502423101076
10126968725425984
1137502152487172
12122a74812b6680
1355b013a5b82b0
14234d467878448
15ea2b343ae2a9
hex737a35c6cf40

126968725425984 has 448 divisors, whose sum is σ = 368801460308736. Its totient is φ = 38317080969216.

The previous prime is 126968725425979. The next prime is 126968725426001. The reversal of 126968725425984 is 489524527869621.

It is a super-3 number, since 3×1269687254259843 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (78).

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, 36728006784 + ... + 36728010240.

It is an arithmetic number, because the mean of its divisors is an integer number (823217545332).

Almost surely, 2126968725425984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126968725425984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184400730154368).

126968725425984 is an abundant number, since it is smaller than the sum of its proper divisors (241832734882752).

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

126968725425984 is a wasteful number, since it uses less digits than its factorization.

126968725425984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922 (or 4912 counting only the distinct ones).

The product of its digits is 4180377600, while the sum is 78.

The spelling of 126968725425984 in words is "one hundred twenty-six trillion, nine hundred sixty-eight billion, seven hundred twenty-five million, four hundred twenty-five thousand, nine hundred eighty-four".