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1120201321 = 2115309011
BaseRepresentation
bin100001011000100…
…1110101001101001
32220001212010022211
41002301032221221
54243232420241
6303053445121
736521361031
oct10261165151
92801763284
101120201321
11525362918
122731a07a1
1314b104925
14a8aba8c1
1568526781
hex42c4ea69

1120201321 has 4 divisors (see below), whose sum is σ = 1125510544. Its totient is φ = 1114892100.

The previous prime is 1120201319. The next prime is 1120201333. The reversal of 1120201321 is 1231020211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1120201321 - 21 = 1120201319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120201391) 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, 2654295 + ... + 2654716.

It is an arithmetic number, because the mean of its divisors is an integer number (281377636).

Almost surely, 21120201321 is an apocalyptic number.

It is an amenable number.

1120201321 is a deficient number, since it is larger than the sum of its proper divisors (5309223).

1120201321 is an equidigital number, since it uses as much as digits as its factorization.

1120201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309222.

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

The square root of 1120201321 is about 33469.4087339469. The cubic root of 1120201321 is about 1038.5610403391.

Adding to 1120201321 its reverse (1231020211), we get a palindrome (2351221532).

The spelling of 1120201321 in words is "one billion, one hundred twenty million, two hundred one thousand, three hundred twenty-one".

Divisors: 1 211 5309011 1120201321