Search a number
-
+
27161843130000 = 243354646915551
BaseRepresentation
bin1100010110100000111000…
…00000101101111010010000
310120011122110112211100002000
412023100130000231322100
512030004423320130000
6133433551203354000
75502243536135145
oct613203400557220
9116148415740060
1027161843130000
118722300380377
123068192382900
13122047398a437
1469c8d6aaa3cc
1532181dc4a000
hex18b41c02de90

27161843130000 has 400 divisors, whose sum is σ = 97445827353600. Its totient is φ = 7241572800000.

The previous prime is 27161843129983. The next prime is 27161843130011. The reversal of 27161843130000 is 3134816172.

It is a happy number.

27161843130000 is a `hidden beast` number, since 2 + 7 + 1 + 618 + 4 + 3 + 1 + 30 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1746622225 + ... + 1746637775.

It is an arithmetic number, because the mean of its divisors is an integer number (243614568384).

Almost surely, 227161843130000 is an apocalyptic number.

27161843130000 is a gapful number since it is divisible by the number (20) 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 27161843130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48722913676800).

27161843130000 is an abundant number, since it is smaller than the sum of its proper divisors (70283984223600).

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

27161843130000 is a wasteful number, since it uses less digits than its factorization.

27161843130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22057 (or 22030 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 27161843130000 its reverse (3134816172), we get a palindrome (27164977946172).

The spelling of 27161843130000 in words is "twenty-seven trillion, one hundred sixty-one billion, eight hundred forty-three million, one hundred thirty thousand".