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11200123201 = 14937501757
BaseRepresentation
bin10100110111001010…
…00101000101000001
31001220120000012122211
422123211011011001
5140414212420301
65051213302121
7544356322261
oct123345050501
931816005584
1011200123201
1148281a5373
122206a94941
131096525a47
147836c57a1
15458420051
hex29b945141

11200123201 has 4 divisors (see below), whose sum is σ = 11207626452. Its totient is φ = 11192619952.

The previous prime is 11200123199. The next prime is 11200123213. The reversal of 11200123201 is 10232100211.

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 9860490000 + 1339633201 = 99300^2 + 36601^2 .

It is a cyclic number.

It is not a de Polignac number, because 11200123201 - 21 = 11200123199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11200123271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3749386 + ... + 3752371.

It is an arithmetic number, because the mean of its divisors is an integer number (2801906613).

Almost surely, 211200123201 is an apocalyptic number.

It is an amenable number.

11200123201 is a deficient number, since it is larger than the sum of its proper divisors (7503251).

11200123201 is an equidigital number, since it uses as much as digits as its factorization.

11200123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503250.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11200123201 its reverse (10232100211), we get a palindrome (21432223412).

The spelling of 11200123201 in words is "eleven billion, two hundred million, one hundred twenty-three thousand, two hundred one".

Divisors: 1 1493 7501757 11200123201