Search a number
-
+
80212953600 = 29325213192819
BaseRepresentation
bin100101010110100010…
…0001000101000000000
321200001011211020102100
41022231010020220000
52303234004003400
6100503241550400
75536515566403
oct1125504105000
9250034736370
1080212953600
113102213729a
12136671a5400
1377442a6170
143c4d16dd3a
152147036100
hex12ad108a00

80212953600 has 720 divisors, whose sum is σ = 325527602400. Its totient is φ = 18698895360.

The previous prime is 80212953599. The next prime is 80212953607. The reversal of 80212953600 is 635921208.

80212953600 is a `hidden beast` number, since 8 + 0 + 2 + 1 + 295 + 360 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is not an unprimeable number, because it can be changed into a prime (80212953607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28452991 + ... + 28455809.

It is an arithmetic number, because the mean of its divisors is an integer number (452121670).

Almost surely, 280212953600 is an apocalyptic number.

80212953600 is a gapful number since it is divisible by the number (80) 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 80212953600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162763801200).

80212953600 is an abundant number, since it is smaller than the sum of its proper divisors (245314648800).

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

80212953600 is a wasteful number, since it uses less digits than its factorization.

80212953600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2861 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 80212953600 in words is "eighty billion, two hundred twelve million, nine hundred fifty-three thousand, six hundred".