Search a number
-
+
248921471053 = 762613264073
BaseRepresentation
bin1110011111010011100…
…0000011100001001101
3212210111202122220112201
43213310320003201031
513034242344033203
6310204123001501
723661335410333
oct3476470034115
9783452586481
10248921471053
1196626754512
12402ab369291
131a61c7b8098
14c0954a1b53
15671d2c4e1d
hex39f4e0384d

248921471053 has 4 divisors (see below), whose sum is σ = 248924811388. Its totient is φ = 248918130720.

The previous prime is 248921471011. The next prime is 248921471069. The reversal of 248921471053 is 350174129842.

248921471053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36991982889 + 211929488164 = 192333^2 + 460358^2 .

It is a cyclic number.

It is not a de Polignac number, because 248921471053 - 29 = 248921470541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248921470994 and 248921471012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248921471093) 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 3 ways as a sum of consecutive naturals, for example, 1555776 + ... + 1708297.

It is an arithmetic number, because the mean of its divisors is an integer number (62231202847).

Almost surely, 2248921471053 is an apocalyptic number.

It is an amenable number.

248921471053 is a deficient number, since it is larger than the sum of its proper divisors (3340335).

248921471053 is an equidigital number, since it uses as much as digits as its factorization.

248921471053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340334.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 248921471053 in words is "two hundred forty-eight billion, nine hundred twenty-one million, four hundred seventy-one thousand, fifty-three".

Divisors: 1 76261 3264073 248921471053