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13440313274 = 231321470149
BaseRepresentation
bin11001000010001101…
…01110011110111010
31021200200022122201112
430201012232132322
5210011210011044
610101400320322
7654030530543
oct144106563672
937620278645
1013440313274
115777785323
1227311730a2
1313626895bb
149170254ca
15539e2a09e
hex3211ae7ba

13440313274 has 8 divisors (see below), whose sum is σ = 20224881300. Its totient is φ = 6698686176.

The previous prime is 13440313273. The next prime is 13440313303. The reversal of 13440313274 is 47231304431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13434432649 + 5880625 = 115907^2 + 2425^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13440313274.

It is not an unprimeable number, because it can be changed into a prime (13440313273) 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, 10734449 + ... + 10735700.

Almost surely, 213440313274 is an apocalyptic number.

13440313274 is a deficient number, since it is larger than the sum of its proper divisors (6784568026).

13440313274 is a wasteful number, since it uses less digits than its factorization.

13440313274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21470464.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 13440313274 in words is "thirteen billion, four hundred forty million, three hundred thirteen thousand, two hundred seventy-four".

Divisors: 1 2 313 626 21470149 42940298 6720156637 13440313274