Search a number
-
+
19464875068800 = 2735271032812193
BaseRepresentation
bin1000110110100000001001…
…11101101100110110000000
32112220211020121111102002110
410123100010331230312000
510022403031004200200
6105222012401415320
74046201515116060
oct433200475546600
975824217442073
1019464875068800
116225009589987
12222450b33a540
13ab26b70aca05
144b41680cb3a0
1523b4d5745b50
hex11b404f6cd80

19464875068800 has 384 divisors, whose sum is σ = 73982749800960. Its totient is φ = 4405917450240.

The previous prime is 19464875068763. The next prime is 19464875068817. The reversal of 19464875068800 is 886057846491.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×194648750688002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5515504 + ... + 8327696.

It is an arithmetic number, because the mean of its divisors is an integer number (192663410940).

Almost surely, 219464875068800 is an apocalyptic number.

19464875068800 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 19464875068800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36991374900480).

19464875068800 is an abundant number, since it is smaller than the sum of its proper divisors (54517874732160).

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

19464875068800 is a wasteful number, since it uses less digits than its factorization.

19464875068800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812330 (or 2812313 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 19464875068800 in words is "nineteen trillion, four hundred sixty-four billion, eight hundred seventy-five million, sixty-eight thousand, eight hundred".