Search a number
-
+
2101352441 = 2972460429
BaseRepresentation
bin111110101000000…
…0001011111111001
312102110001202122012
41331100001133321
513300421234231
6544303135305
7103034125646
oct17520013771
95373052565
102101352441
11989182211
124a78a4535
13276472616
1415d11cdcd
15c4732e2b
hex7d4017f9

2101352441 has 4 divisors (see below), whose sum is σ = 2173812900. Its totient is φ = 2028891984.

The previous prime is 2101352431. The next prime is 2101352447. The reversal of 2101352441 is 1442531012.

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 1019205625 + 1082146816 = 31925^2 + 32896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101352441 - 214 = 2101336057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101352447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36230186 + ... + 36230243.

It is an arithmetic number, because the mean of its divisors is an integer number (543453225).

Almost surely, 22101352441 is an apocalyptic number.

It is an amenable number.

2101352441 is a deficient number, since it is larger than the sum of its proper divisors (72460459).

2101352441 is an equidigital number, since it uses as much as digits as its factorization.

2101352441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72460458.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2101352441 is about 45840.5109155646. The cubic root of 2101352441 is about 1280.8540119883.

Adding to 2101352441 its reverse (1442531012), we get a palindrome (3543883453).

The spelling of 2101352441 in words is "two billion, one hundred one million, three hundred fifty-two thousand, four hundred forty-one".

Divisors: 1 29 72460429 2101352441