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1214143121 = 19361910163
BaseRepresentation
bin100100001011110…
…0101101010010001
310010121121212020202
41020113211222101
54441310034441
6320251144545
742042021602
oct11027455221
93117555222
101214143121
11573396774
1229a745155
13164706aa9
14b7371da9
15718d119b
hex485e5a91

1214143121 has 8 divisors (see below), whose sum is σ = 1222525920. Its totient is φ = 1205782272.

The previous prime is 1214143103. The next prime is 1214143199. The reversal of 1214143121 is 1213414121.

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 1214143121 - 226 = 1147034257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1214143093 and 1214143102.

It is not an unprimeable number, because it can be changed into a prime (1214143421) 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, 114386 + ... + 124548.

It is an arithmetic number, because the mean of its divisors is an integer number (152815740).

Almost surely, 21214143121 is an apocalyptic number.

It is an amenable number.

1214143121 is a deficient number, since it is larger than the sum of its proper divisors (8382799).

1214143121 is a wasteful number, since it uses less digits than its factorization.

1214143121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10975.

The product of its digits is 192, while the sum is 20.

The square root of 1214143121 is about 34844.5565476159. The cubic root of 1214143121 is about 1066.8170823798.

Adding to 1214143121 its reverse (1213414121), we get a palindrome (2427557242).

Subtracting from 1214143121 its reverse (1213414121), we obtain a cube (729000 = 903).

The spelling of 1214143121 in words is "one billion, two hundred fourteen million, one hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 193 619 10163 119467 1961459 6290897 1214143121