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11243100401 = 134121093997
BaseRepresentation
bin10100111100010010…
…00001100011110001
31002000112212200021222
422132021001203301
5141011213203101
65055350354425
7545420530241
oct123611014361
932015780258
1011243100401
11484a489815
12221935ba15
1310a23c2740
147892b1b21
1545c0ae01b
hex29e2418f1

11243100401 has 8 divisors (see below), whose sum is σ = 12403270824. Its totient is φ = 10125118080.

The previous prime is 11243100389. The next prime is 11243100431. The reversal of 11243100401 is 10400134211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54538225 + 11188562176 = 7385^2 + 105776^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11243100401 - 222 = 11238906097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11243100401.

It is not an unprimeable number, because it can be changed into a prime (11243100431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10546466 + ... + 10547531.

It is an arithmetic number, because the mean of its divisors is an integer number (1550408853).

Almost surely, 211243100401 is an apocalyptic number.

It is an amenable number.

11243100401 is a deficient number, since it is larger than the sum of its proper divisors (1160170423).

11243100401 is a wasteful number, since it uses less digits than its factorization.

11243100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21094051.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11243100401 its reverse (10400134211), we get a palindrome (21643234612).

The spelling of 11243100401 in words is "eleven billion, two hundred forty-three million, one hundred thousand, four hundred one".

Divisors: 1 13 41 533 21093997 274221961 864853877 11243100401