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1214130323 = 7909119079
BaseRepresentation
bin100100001011110…
…0010100010010011
310010121121012200202
41020113202202103
54441304132243
6320251005415
742041636360
oct11027424223
93117535622
101214130323
1157338809a
1229a73986b
13164701013
14b736b467
15718cc4b8
hex485e2893

1214130323 has 8 divisors (see below), whose sum is σ = 1387802880. Its totient is φ = 1040514120.

The previous prime is 1214130301. The next prime is 1214130341. The reversal of 1214130323 is 3230314121.

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 1214130323 - 212 = 1214126227 is a prime.

It is a super-2 number, since 2×12141303232 = 2948224882456168658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214130295 and 1214130304.

It is not an unprimeable number, because it can be changed into a prime (1214130623) 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 7 ways as a sum of consecutive naturals, for example, 54098 + ... + 73176.

It is an arithmetic number, because the mean of its divisors is an integer number (173475360).

Almost surely, 21214130323 is an apocalyptic number.

1214130323 is a deficient number, since it is larger than the sum of its proper divisors (173672557).

1214130323 is an equidigital number, since it uses as much as digits as its factorization.

1214130323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28177.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1214130323 is about 34844.3729029524. The cubic root of 1214130323 is about 1066.8133340097.

Adding to 1214130323 its reverse (3230314121), we get a palindrome (4444444444).

The spelling of 1214130323 in words is "one billion, two hundred fourteen million, one hundred thirty thousand, three hundred twenty-three".

Divisors: 1 7 9091 19079 63637 133553 173447189 1214130323