Search a number
-
+
1001302213 = 4012497013
BaseRepresentation
bin111011101011101…
…010100011000101
32120210010102102011
4323223222203011
54022313132323
6243205214221
733545633302
oct7353524305
92523112364
101001302213
1147423319a
1223b401371
1312c5a4b22
1496daa0a9
155cd8c20d
hex3baea8c5

1001302213 has 4 divisors (see below), whose sum is σ = 1003799628. Its totient is φ = 998804800.

The previous prime is 1001302199. The next prime is 1001302219. The reversal of 1001302213 is 3122031001.

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 867714849 + 133587364 = 29457^2 + 11558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001302213 - 229 = 464431301 is a prime.

It is a super-2 number, since 2×10013022132 = 2005212243517394738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001302193 and 1001302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001302219) 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, 1248106 + ... + 1248907.

It is an arithmetic number, because the mean of its divisors is an integer number (250949907).

Almost surely, 21001302213 is an apocalyptic number.

It is an amenable number.

1001302213 is a deficient number, since it is larger than the sum of its proper divisors (2497415).

1001302213 is an equidigital number, since it uses as much as digits as its factorization.

1001302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497414.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1001302213 is about 31643.3596983633. The cubic root of 1001302213 is about 1000.4338827186.

Adding to 1001302213 its reverse (3122031001), we get a palindrome (4123333214).

The spelling of 1001302213 in words is "one billion, one million, three hundred two thousand, two hundred thirteen".

Divisors: 1 401 2497013 1001302213