Search a number
-
+
99880892818560 = 27325753148331517
BaseRepresentation
bin10110101101011101010101…
…001000101110010010000000
3111002122112001011010210121100
4112231131111020232102000
5101042422032030143220
6552232352042254400
730016104430615350
oct2655352510562200
9432575034123540
1099880892818560
1129909281119937
12b251704ab7400
13439695cc0c5a9
141a943922b6b60
15b831e7dc7d90
hex5ad75522e480

99880892818560 has 768 divisors, whose sum is σ = 401893592405760. Its totient is φ = 22383351005184.

The previous prime is 99880892818559. The next prime is 99880892818583. The reversal of 99880892818560 is 6581829808899.

It is a self number, because there is not a number n which added to its sum of digits gives 99880892818560.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3169095922 + ... + 3169127438.

It is an arithmetic number, because the mean of its divisors is an integer number (523298948445).

Almost surely, 299880892818560 is an apocalyptic number.

99880892818560 is a gapful number since it is divisible by the number (90) 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 99880892818560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200946796202880).

99880892818560 is an abundant number, since it is smaller than the sum of its proper divisors (302012699587200).

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

99880892818560 is a wasteful number, since it uses less digits than its factorization.

99880892818560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33085 (or 33070 counting only the distinct ones).

The product of its (nonzero) digits is 1433272320, while the sum is 81.

The spelling of 99880892818560 in words is "ninety-nine trillion, eight hundred eighty billion, eight hundred ninety-two million, eight hundred eighteen thousand, five hundred sixty".