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13016378 = 237175897
BaseRepresentation
bin110001101001…
…110100111010
3220111022010002
4301221310322
511313011003
61142553002
7215431424
oct61516472
926438102
1013016378
117390441
124438762
1329097cb
141a2b814
151221a88
hexc69d3a

13016378 has 8 divisors (see below), whose sum is σ = 20052372. Its totient is φ = 6332256.

The previous prime is 13016371. The next prime is 13016431. The reversal of 13016378 is 87361031.

It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 5929 = 3607^2 + 77^2 .

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 13016378.

It is not an unprimeable number, because it can be changed into a prime (13016371) 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 in 3 ways as a sum of consecutive naturals, for example, 87875 + ... + 88022.

Almost surely, 213016378 is an apocalyptic number.

13016378 is a deficient number, since it is larger than the sum of its proper divisors (7035994).

13016378 is a wasteful number, since it uses less digits than its factorization.

13016378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175936.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13016378 is about 3607.8217805208. The cubic root of 13016378 is about 235.2321713324.

The spelling of 13016378 in words is "thirteen million, sixteen thousand, three hundred seventy-eight".

Divisors: 1 2 37 74 175897 351794 6508189 13016378