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11023111201 = 61647327917
BaseRepresentation
bin10100100010000011…
…10101010000100001
31001110012221001211211
422101001311100201
5140033404024301
65021451310121
7540106620304
oct122101652041
931405831754
1011023111201
114747293663
12217774b341
131068959c0b
14767da8b3b
15447b07051
hex291075421

11023111201 has 8 divisors (see below), whose sum is σ = 11205950184. Its totient is φ = 10840341120.

The previous prime is 11023111199. The next prime is 11023111237. The reversal of 11023111201 is 10211132011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 427496976 + 10595614225 = 20676^2 + 102935^2 .

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 11023111201 - 21 = 11023111199 is a prime.

It is a super-2 number, since 2×110231112012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023117201) 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, 380895 + ... + 408811.

It is an arithmetic number, because the mean of its divisors is an integer number (1400743773).

Almost surely, 211023111201 is an apocalyptic number.

It is an amenable number.

11023111201 is a deficient number, since it is larger than the sum of its proper divisors (182838983).

11023111201 is an equidigital number, since it uses as much as digits as its factorization.

11023111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34451.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11023111201 its reverse (10211132011), we get a palindrome (21234243212).

The spelling of 11023111201 in words is "eleven billion, twenty-three million, one hundred eleven thousand, two hundred one".

Divisors: 1 61 6473 27917 394853 1702937 180706741 11023111201