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1214001211 = 4725829813
BaseRepresentation
bin100100001011100…
…0011000000111011
310010121100122120211
41020113003000323
54441241014321
6320244131551
742040561063
oct11027030073
93117318524
101214001211
115732aa095
1229a696bb7
13164687317
14b73363a3
15718a40e1
hex485c303b

1214001211 has 4 divisors (see below), whose sum is σ = 1239831072. Its totient is φ = 1188171352.

The previous prime is 1214001167. The next prime is 1214001293. The reversal of 1214001211 is 1121004121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1214001211 - 27 = 1214001083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214001191 and 1214001200.

It is not an unprimeable number, because it can be changed into a prime (1214001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12914860 + ... + 12914953.

It is an arithmetic number, because the mean of its divisors is an integer number (309957768).

Almost surely, 21214001211 is an apocalyptic number.

1214001211 is a deficient number, since it is larger than the sum of its proper divisors (25829861).

1214001211 is an equidigital number, since it uses as much as digits as its factorization.

1214001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25829860.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1214001211 is about 34842.5201585649. The cubic root of 1214001211 is about 1066.7755172880.

Adding to 1214001211 its reverse (1121004121), we get a palindrome (2335005332).

The spelling of 1214001211 in words is "one billion, two hundred fourteen million, one thousand, two hundred eleven".

Divisors: 1 47 25829813 1214001211