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1301312224 = 2540666007
BaseRepresentation
bin100110110010000…
…0111001011100000
310100200122111210001
41031210013023200
510131113442344
6333043345344
744150654122
oct11544071340
93320574701
101301312224
11608614153
12303982254
131797a7344
14c4b83212
157939ded4
hex4d9072e0

1301312224 has 12 divisors (see below), whose sum is σ = 2561958504. Its totient is φ = 650656096.

The previous prime is 1301312167. The next prime is 1301312227. The reversal of 1301312224 is 4222131031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301312227) 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 as a sum of consecutive naturals, namely, 20332972 + ... + 20333035.

It is an arithmetic number, because the mean of its divisors is an integer number (213496542).

Almost surely, 21301312224 is an apocalyptic number.

It is an amenable number.

1301312224 is a deficient number, since it is larger than the sum of its proper divisors (1260646280).

1301312224 is an equidigital number, since it uses as much as digits as its factorization.

1301312224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40666017 (or 40666009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1301312224 is about 36073.7054376176. The cubic root of 1301312224 is about 1091.7599780180.

Adding to 1301312224 its reverse (4222131031), we get a palindrome (5523443255).

It can be divided in two parts, 130131 and 2224, that added together give a triangular number (132355 = T514).

The spelling of 1301312224 in words is "one billion, three hundred one million, three hundred twelve thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 40666007 81332014 162664028 325328056 650656112 1301312224