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11043032021 = 72368590261
BaseRepresentation
bin10100100100011011…
…10100101111010101
31001111121102011001222
422102031310233111
5140104004011041
65023442300125
7540441136430
oct122215645725
931447364058
1011043032021
11475755a44a
122182357645
13106cb13298
1476a8b2817
1544973e74b
hex292374bd5

11043032021 has 8 divisors (see below), whose sum is σ = 13169330304. Its totient is φ = 9053914320.

The previous prime is 11043031957. The next prime is 11043032053. The reversal of 11043032021 is 12023034011.

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 11043032021 - 26 = 11043031957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043032521) 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, 34294970 + ... + 34295291.

It is an arithmetic number, because the mean of its divisors is an integer number (1646166288).

Almost surely, 211043032021 is an apocalyptic number.

It is an amenable number.

11043032021 is a deficient number, since it is larger than the sum of its proper divisors (2126298283).

11043032021 is an equidigital number, since it uses as much as digits as its factorization.

11043032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68590291.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11043032021 its reverse (12023034011), we get a palindrome (23066066032).

The spelling of 11043032021 in words is "eleven billion, forty-three million, thirty-two thousand, twenty-one".

Divisors: 1 7 23 161 68590261 480131827 1577576003 11043032021