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13010205 = 3513137487
BaseRepresentation
bin110001101000…
…010100011101
3220110222122110
4301220110131
511312311310
61142504233
7215404425
oct61502435
926428573
1013010205
11738683a
124435079
132906a60
141a29485
15121ed20
hexc6851d

13010205 has 32 divisors (see below), whose sum is σ = 22627584. Its totient is φ = 6345216.

The previous prime is 13010197. The next prime is 13010213. The reversal of 13010205 is 50201031.

It is an interprime number because it is at equal distance from previous prime (13010197) and next prime (13010213).

It is not a de Polignac number, because 13010205 - 23 = 13010197 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 26472 + ... + 26958.

It is an arithmetic number, because the mean of its divisors is an integer number (707112).

Almost surely, 213010205 is an apocalyptic number.

13010205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13010205 is a deficient number, since it is larger than the sum of its proper divisors (9617379).

13010205 is a wasteful number, since it uses less digits than its factorization.

13010205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 13010205 is about 3606.9661767197. The cubic root of 13010205 is about 235.1949792706.

Adding to 13010205 its reverse (50201031), we get a palindrome (63211236).

The spelling of 13010205 in words is "thirteen million, ten thousand, two hundred five".

Divisors: 1 3 5 13 15 39 65 137 195 411 487 685 1461 1781 2055 2435 5343 6331 7305 8905 18993 26715 31655 66719 94965 200157 333595 867347 1000785 2602041 4336735 13010205