Search a number
-
+
17948091000 = 2335376114011
BaseRepresentation
bin10000101101110010…
…100010001001111000
31201022211111111021010
4100231302202021320
5243224202403000
612124545513520
71203525153630
oct205562421170
951284444233
1017948091000
117680258464
12358a9428a0
1319005572b8
14c239976c0
15700a52d50
hex42dca2278

17948091000 has 256 divisors, whose sum is σ = 65051550720. Its totient is φ = 4034880000.

The previous prime is 17948090983. The next prime is 17948091059. The reversal of 17948091000 is 19084971.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 17948091000.

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, 1273995 + ... + 1288005.

It is an arithmetic number, because the mean of its divisors is an integer number (254107620).

Almost surely, 217948091000 is an apocalyptic number.

17948091000 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 17948091000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32525775360).

17948091000 is an abundant number, since it is smaller than the sum of its proper divisors (47103459720).

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

17948091000 is a wasteful number, since it uses less digits than its factorization.

17948091000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14103 (or 14089 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

It can be divided in two parts, 179480 and 91000, that added together give a triangular number (270480 = T735).

The spelling of 17948091000 in words is "seventeen billion, nine hundred forty-eight million, ninety-one thousand".