Search a number
-
+
16799519880 = 233451113101359
BaseRepresentation
bin11111010010101010…
…00101010010001000
31121100210021000220000
433221111011102020
5233401134114010
611415000003000
71133210364033
oct175125052210
947323230800
1016799519880
117140988a30
12330a160460
1317795cb710
14b5521401a
15684cc57c0
hex3e9545488

16799519880 has 640 divisors, whose sum is σ = 67179974400. Its totient is φ = 3711744000.

The previous prime is 16799519839. The next prime is 16799519903. The reversal of 16799519880 is 8891599761.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 46795141 + ... + 46795499.

It is an arithmetic number, because the mean of its divisors is an integer number (104968710).

Almost surely, 216799519880 is an apocalyptic number.

16799519880 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 16799519880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33589987200).

16799519880 is an abundant number, since it is smaller than the sum of its proper divisors (50380454520).

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

16799519880 is a wasteful number, since it uses less digits than its factorization.

16799519880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 63.

The spelling of 16799519880 in words is "sixteen billion, seven hundred ninety-nine million, five hundred nineteen thousand, eight hundred eighty".