Search a number
-
+
1214325655 = 5242865131
BaseRepresentation
bin100100001100001…
…0010001110010111
310010121222010122021
41020120102032113
54441331410110
6320255114011
742043412014
oct11030221627
93117863567
101214325655
11573500924
1229a812907
1316476bbba
14b73bc70b
157191a2da
hex48612397

1214325655 has 4 divisors (see below), whose sum is σ = 1457190792. Its totient is φ = 971460520.

The previous prime is 1214325647. The next prime is 1214325677. The reversal of 1214325655 is 5565234121.

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

It is not a de Polignac number, because 1214325655 - 23 = 1214325647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214325655.

It is a congruent number.

It is an unprimeable number.

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, 121432561 + ... + 121432570.

It is an arithmetic number, because the mean of its divisors is an integer number (364297698).

Almost surely, 21214325655 is an apocalyptic number.

1214325655 is a deficient number, since it is larger than the sum of its proper divisors (242865137).

1214325655 is an equidigital number, since it uses as much as digits as its factorization.

1214325655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242865136.

The product of its digits is 36000, while the sum is 34.

The square root of 1214325655 is about 34847.1757105221. The cubic root of 1214325655 is about 1066.8705413798.

Adding to 1214325655 its reverse (5565234121), we get a palindrome (6779559776).

The spelling of 1214325655 in words is "one billion, two hundred fourteen million, three hundred twenty-five thousand, six hundred fifty-five".

Divisors: 1 5 242865131 1214325655