Search a number
-
+
19044007085376 = 26327213223232751
BaseRepresentation
bin1000101010010000001110…
…10001110000010101000000
32111102120220121010122102200
410111020013101300111000
54444004111303213001
6104300410204113200
74003612151230200
oct425100721602500
974376817118380
1019044007085376
116082577583799
122176a33535800
13a81ac43001b0
1449ba4065c400
152305a1ccb086
hex115207470540

19044007085376 has 504 divisors, whose sum is σ = 68689665967104. Its totient is φ = 5000050944000.

The previous prime is 19044007085329. The next prime is 19044007085377. The reversal of 19044007085376 is 67358070044091.

19044007085376 is a `hidden beast` number, since 1 + 90 + 4 + 40 + 0 + 70 + 85 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a super-2 number, since 2×190440070853762 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19044007085377) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81705001 + ... + 81937751.

It is an arithmetic number, because the mean of its divisors is an integer number (136289019776).

Almost surely, 219044007085376 is an apocalyptic number.

19044007085376 is a gapful number since it is divisible by the number (16) 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 19044007085376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34344832983552).

19044007085376 is an abundant number, since it is smaller than the sum of its proper divisors (49645658881728).

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

19044007085376 is a wasteful number, since it uses less digits than its factorization.

19044007085376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233019 (or 232999 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 19044007085376 in words is "nineteen trillion, forty-four billion, seven million, eighty-five thousand, three hundred seventy-six".