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1324121245 = 51771219407
BaseRepresentation
bin100111011101100…
…0111110010011101
310102021120022212121
41032323013302131
510202433334440
6335220302541
744545562536
oct11673076235
93367508777
101324121245
1161a482987
1230b541a51
131814321c5
14c7bdd68d
157b3a734a
hex4eec7c9d

1324121245 has 16 divisors (see below), whose sum is σ = 1706116608. Its totient is φ = 982938880.

The previous prime is 1324121243. The next prime is 1324121269. The reversal of 1324121245 is 5421214231.

It is not a de Polignac number, because 1324121245 - 21 = 1324121243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324121243) by changing a digit.

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, 103669 + ... + 115738.

It is an arithmetic number, because the mean of its divisors is an integer number (106632288).

Almost surely, 21324121245 is an apocalyptic number.

It is an amenable number.

1324121245 is a deficient number, since it is larger than the sum of its proper divisors (381995363).

1324121245 is a wasteful number, since it uses less digits than its factorization.

1324121245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219500.

The product of its digits is 1920, while the sum is 25.

The square root of 1324121245 is about 36388.4768161571. The cubic root of 1324121245 is about 1098.1017522875.

Adding to 1324121245 its reverse (5421214231), we get a palindrome (6745335476).

The spelling of 1324121245 in words is "one billion, three hundred twenty-four million, one hundred twenty-one thousand, two hundred forty-five".

Divisors: 1 5 17 71 85 355 1207 6035 219407 1097035 3729919 15577897 18649595 77889485 264824249 1324121245