Search a number
-
+
19195500324 = 223711137572111
BaseRepresentation
bin10001111000001001…
…000001011100100100
31211112202201110011110
4101320021001130210
5303303022002244
612452430105020
71246453026540
oct217011013444
954482643143
1019195500324
1181603a5560
12387864b170
131a6bb0a920
14d01508a20
157753059b9
hex478241724

19195500324 has 192 divisors, whose sum is σ = 60244918272. Its totient is φ = 4594060800.

The previous prime is 19195500319. The next prime is 19195500341. The reversal of 19195500324 is 42300559191.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9092029 + ... + 9094139.

It is an arithmetic number, because the mean of its divisors is an integer number (313775616).

Almost surely, 219195500324 is an apocalyptic number.

19195500324 is a gapful number since it is divisible by the number (14) 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 19195500324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30122459136).

19195500324 is an abundant number, since it is smaller than the sum of its proper divisors (41049417948).

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

19195500324 is a wasteful number, since it uses less digits than its factorization.

19195500324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The spelling of 19195500324 in words is "nineteen billion, one hundred ninety-five million, five hundred thousand, three hundred twenty-four".