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13000447612 = 2261792512687
BaseRepresentation
bin11000001101110001…
…10001011001111100
31020120000122011110201
430012320301121330
5203111103310422
65550004413244
7640106660425
oct140670613174
936500564421
1013000447612
115571460789
1226299a7224
1312c24ca669
148b484464c
155114de727
hex306e3167c

13000447612 has 48 divisors (see below), whose sum is σ = 23518494720. Its totient is φ = 6285240000.

The previous prime is 13000447591. The next prime is 13000447627. The reversal of 13000447612 is 21674400031.

13000447612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130004476122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 4836933 + ... + 4839619.

It is an arithmetic number, because the mean of its divisors is an integer number (489968640).

Almost surely, 213000447612 is an apocalyptic number.

It is an amenable number.

13000447612 is a deficient number, since it is larger than the sum of its proper divisors (10518047108).

13000447612 is a wasteful number, since it uses less digits than its factorization.

13000447612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 13000447612 its reverse (21674400031), we get a palindrome (34674847643).

The spelling of 13000447612 in words is "thirteen billion, four hundred forty-seven thousand, six hundred twelve".

Divisors: 1 2 4 61 79 122 158 244 251 316 502 1004 2687 4819 5374 9638 10748 15311 19276 19829 30622 39658 61244 79316 163907 212273 327814 424546 655628 674437 849092 1209569 1348874 2419138 2697748 4838276 12948653 25897306 41140657 51794612 53280523 82281314 106561046 164562628 213122092 3250111903 6500223806 13000447612