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1344960813 = 3764045753
BaseRepresentation
bin101000000101010…
…0111100100101101
310110201210002101110
41100022213210231
510223302221223
6341243102233
745220656360
oct12012474455
93421702343
101344960813
11630216a69
12316511979
1318584a801
14ca8a60d7
157d121d93
hex502a792d

1344960813 has 8 divisors (see below), whose sum is σ = 2049464128. Its totient is φ = 768549024.

The previous prime is 1344960787. The next prime is 1344960839. The reversal of 1344960813 is 3180694431.

It is an interprime number because it is at equal distance from previous prime (1344960787) and next prime (1344960839).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344960813 - 25 = 1344960781 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 (1344960853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32022856 + ... + 32022897.

It is an arithmetic number, because the mean of its divisors is an integer number (256183016).

Almost surely, 21344960813 is an apocalyptic number.

It is an amenable number.

1344960813 is a deficient number, since it is larger than the sum of its proper divisors (704503315).

1344960813 is an equidigital number, since it uses as much as digits as its factorization.

1344960813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64045763.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1344960813 is about 36673.7073800836. The cubic root of 1344960813 is about 1103.8325851145.

The spelling of 1344960813 in words is "one billion, three hundred forty-four million, nine hundred sixty thousand, eight hundred thirteen".

Divisors: 1 3 7 21 64045753 192137259 448320271 1344960813