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13144071630 = 235667965599
BaseRepresentation
bin11000011110111001…
…01001110111001110
31020221000220000120210
430033130221313032
5203404340243010
610012135023250
7643502523354
oct141734516716
936830800523
1013144071630
115635538618
122669b0ab26
1313161a63a1
148c994d7d4
1551de0eb20
hex30f729dce

13144071630 has 32 divisors (see below), whose sum is σ = 31550976000. Its totient is φ = 3504507552.

The previous prime is 13144071601. The next prime is 13144071631. The reversal of 13144071630 is 3617044131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144071631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167571 + ... + 233169.

It is an arithmetic number, because the mean of its divisors is an integer number (985968000).

Almost surely, 213144071630 is an apocalyptic number.

13144071630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144071630 is an abundant number, since it is smaller than the sum of its proper divisors (18406904370).

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

13144071630 is a wasteful number, since it uses less digits than its factorization.

13144071630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72288.

The product of its (nonzero) digits is 6048, while the sum is 30.

The spelling of 13144071630 in words is "thirteen billion, one hundred forty-four million, seventy-one thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6679 13358 20037 33395 40074 65599 66790 100185 131198 196797 200370 327995 393594 655990 983985 1967970 438135721 876271442 1314407163 2190678605 2628814326 4381357210 6572035815 13144071630