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13068618 = 2319295967
BaseRepresentation
bin110001110110…
…100101001010
3220120221202220
4301312211022
511321143433
61144034510
7216036633
oct61664512
926527686
1013068618
117416712
124462a36
132927514
141a4288a
1512322b3
hexc7694a

13068618 has 64 divisors (see below), whose sum is σ = 29376000. Its totient is φ = 3858624.

The previous prime is 13068613. The next prime is 13068619. The reversal of 13068618 is 81686031.

13068618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13068613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195021 + ... + 195087.

It is an arithmetic number, because the mean of its divisors is an integer number (459000).

Almost surely, 213068618 is an apocalyptic number.

13068618 is an abundant number, since it is smaller than the sum of its proper divisors (16307382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13068618 is a wasteful number, since it uses less digits than its factorization.

13068618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13068618 is about 3615.0543564378. The cubic root of 13068618 is about 235.5464452821.

The spelling of 13068618 in words is "thirteen million, sixty-eight thousand, six hundred eighteen".

Divisors: 1 2 3 6 19 29 38 57 58 59 67 87 114 118 134 174 177 201 354 402 551 1102 1121 1273 1653 1711 1943 2242 2546 3306 3363 3422 3819 3886 3953 5133 5829 6726 7638 7906 10266 11658 11859 23718 32509 36917 65018 73834 75107 97527 110751 114637 150214 195054 221502 225321 229274 343911 450642 687822 2178103 4356206 6534309 13068618