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13015070 = 251301507
BaseRepresentation
bin110001101001…
…100000011110
3220111020022122
4301221200132
511312440240
61142542542
7215424545
oct61514036
926436278
1013015070
11738a462
124437a52
132909033
141a2b15c
1512214b5
hexc6981e

13015070 has 8 divisors (see below), whose sum is σ = 23427144. Its totient is φ = 5206024.

The previous prime is 13015049. The next prime is 13015073. The reversal of 13015070 is 7051031.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650744 + ... + 650763.

It is an arithmetic number, because the mean of its divisors is an integer number (2928393).

Almost surely, 213015070 is an apocalyptic number.

13015070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13015070 is a deficient number, since it is larger than the sum of its proper divisors (10412074).

13015070 is a wasteful number, since it uses less digits than its factorization.

13015070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301514.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 13015070 is about 3607.6405031544. The cubic root of 13015070 is about 235.2242916702.

The spelling of 13015070 in words is "thirteen million, fifteen thousand, seventy".

Divisors: 1 2 5 10 1301507 2603014 6507535 13015070