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1224130505 = 51348738671
BaseRepresentation
bin100100011110110…
…1011111111001001
310011022102021100212
41020331223333021
510001334134010
6321245210505
742222636413
oct11075537711
93138367325
101224130505
11578a98404
122a1b60a35
131667c29a0
14b88119b3
1572705505
hex48f6bfc9

1224130505 has 16 divisors (see below), whose sum is σ = 1585242624. Its totient is φ = 902093760.

The previous prime is 1224130433. The next prime is 1224130553. The reversal of 1224130505 is 5050314221.

It is not a de Polignac number, because 1224130505 - 224 = 1207353289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12320 + ... + 50990.

It is an arithmetic number, because the mean of its divisors is an integer number (99077664).

Almost surely, 21224130505 is an apocalyptic number.

It is an amenable number.

1224130505 is a deficient number, since it is larger than the sum of its proper divisors (361112119).

1224130505 is a wasteful number, since it uses less digits than its factorization.

1224130505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39176.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1224130505 is about 34987.5764379301. The cubic root of 1224130505 is about 1069.7342645190.

Adding to 1224130505 its reverse (5050314221), we get a palindrome (6274444726).

The spelling of 1224130505 in words is "one billion, two hundred twenty-four million, one hundred thirty thousand, five hundred five".

Divisors: 1 5 13 65 487 2435 6331 31655 38671 193355 502723 2513615 18832777 94163885 244826101 1224130505