Search a number
-
+
1214321427 = 321117370901
BaseRepresentation
bin100100001100001…
…0001001100010011
310010121221220211200
41020120101030103
54441331241202
6320255042243
742043363464
oct11030211423
93117856750
101214321427
115734a8730
1229a810383
13164769cb7
14b73bad6b
1571918e1c
hex48611313

1214321427 has 24 divisors (see below), whose sum is σ = 1924563888. Its totient is φ = 731688000.

The previous prime is 1214321413. The next prime is 1214321431. The reversal of 1214321427 is 7241234121.

1214321427 is a `hidden beast` number, since 1 + 214 + 3 + 21 + 427 = 666.

It is not a de Polignac number, because 1214321427 - 27 = 1214321299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214321427.

It is not an unprimeable number, because it can be changed into a prime (1214321527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18324 + ... + 52577.

It is an arithmetic number, because the mean of its divisors is an integer number (80190162).

Almost surely, 21214321427 is an apocalyptic number.

1214321427 is a deficient number, since it is larger than the sum of its proper divisors (710242461).

1214321427 is a wasteful number, since it uses less digits than its factorization.

1214321427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71091 (or 71088 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1214321427 is about 34847.1150455816. The cubic root of 1214321427 is about 1066.8693031799.

Adding to 1214321427 its reverse (7241234121), we get a palindrome (8455555548).

The spelling of 1214321427 in words is "one billion, two hundred fourteen million, three hundred twenty-one thousand, four hundred twenty-seven".

Divisors: 1 3 9 11 33 99 173 519 1557 1903 5709 17127 70901 212703 638109 779911 2339733 7019199 12265873 36797619 110392857 134924603 404773809 1214321427