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1344311473 = 6122037893
BaseRepresentation
bin101000000100000…
…1001000010110001
310110200120002122211
41100020021002301
510223120431343
6341221132121
745212313301
oct12010110261
93420502584
101344311473
1162a91311a
1231625a041
1318568109b
14ca777601
157d04479d
hex502090b1

1344311473 has 4 divisors (see below), whose sum is σ = 1366349428. Its totient is φ = 1322273520.

The previous prime is 1344311471. The next prime is 1344311483. The reversal of 1344311473 is 3741134431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3741134431 = 18120669251.

It can be written as a sum of positive squares in 2 ways, for example, as 26040609 + 1318270864 = 5103^2 + 36308^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344311473 - 21 = 1344311471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344311471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11018886 + ... + 11019007.

It is an arithmetic number, because the mean of its divisors is an integer number (341587357).

Almost surely, 21344311473 is an apocalyptic number.

It is an amenable number.

1344311473 is a deficient number, since it is larger than the sum of its proper divisors (22037955).

1344311473 is an equidigital number, since it uses as much as digits as its factorization.

1344311473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22037954.

The product of its digits is 12096, while the sum is 31.

The square root of 1344311473 is about 36664.8533748602. The cubic root of 1344311473 is about 1103.6549149984.

The spelling of 1344311473 in words is "one billion, three hundred forty-four million, three hundred eleven thousand, four hundred seventy-three".

Divisors: 1 61 22037893 1344311473