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13144294252 = 22313713920611
BaseRepresentation
bin11000011110111011…
…00000001101101100
31020221001022022222001
430033131200031230
5203404414404002
610012143502044
7643504441405
oct141735401554
936831268861
1013144294252
11563567a901
122669bb7924
13131625380b
148c99aa9ac
1551de55a87
hex30f76036c

13144294252 has 48 divisors (see below), whose sum is σ = 24562908160. Its totient is φ = 6143428800.

The previous prime is 13144294201. The next prime is 13144294271. The reversal of 13144294252 is 25249244131.

13144294252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627427 + ... + 648037.

Almost surely, 213144294252 is an apocalyptic number.

It is an amenable number.

13144294252 is a deficient number, since it is larger than the sum of its proper divisors (11418613908).

13144294252 is a wasteful number, since it uses less digits than its factorization.

13144294252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20822 (or 20820 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 13144294252 in words is "thirteen billion, one hundred forty-four million, two hundred ninety-four thousand, two hundred fifty-two".

Divisors: 1 2 4 31 37 62 74 124 139 148 278 556 1147 2294 4309 4588 5143 8618 10286 17236 20572 20611 41222 82444 159433 318866 637732 638941 762607 1277882 1525214 2555764 2864929 3050428 5729858 11459716 23640817 47281634 88812799 94563268 106002373 177625598 212004746 355251196 424009492 3286073563 6572147126 13144294252