Search a number
-
+
27825778001 = 728114146303
BaseRepresentation
bin11001111010100010…
…111010110101010001
32122211020002222111102
4121322202322311101
5423441344344001
620441042554145
72003356132130
oct317242726521
978736088442
1027825778001
1110889a2094a
125486968955
132815abaac8
1414bd79b917
15accceee6b
hex67a8bad51

27825778001 has 8 divisors (see below), whose sum is σ = 31914061824. Its totient is φ = 23765787360.

The previous prime is 27825777979. The next prime is 27825778009. The reversal of 27825778001 is 10087752872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27825778001 - 222 = 27821583697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27825778009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7071185 + ... + 7075118.

It is an arithmetic number, because the mean of its divisors is an integer number (3989257728).

Almost surely, 227825778001 is an apocalyptic number.

It is an amenable number.

27825778001 is a deficient number, since it is larger than the sum of its proper divisors (4088283823).

27825778001 is a wasteful number, since it uses less digits than its factorization.

27825778001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14146591.

The product of its (nonzero) digits is 439040, while the sum is 47.

The spelling of 27825778001 in words is "twenty-seven billion, eight hundred twenty-five million, seven hundred seventy-eight thousand, one".

Divisors: 1 7 281 1967 14146303 99024121 3975111143 27825778001