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13112736363640 = 235491973368597
BaseRepresentation
bin1011111011010000101111…
…1111100011010001111000
31201102120021010212011220001
42332310023333203101320
53204314341002114030
643515524040042344
72522235555026404
oct276641377432170
951376233764801
1013112736363640
1141a6097913361
121579404a633b4
137416ab0613b4
143349347c6104
1517b15bae8cca
hexbed0bfe3478

13112736363640 has 64 divisors (see below), whose sum is σ = 29567214228960. Its totient is φ = 5233797972480.

The previous prime is 13112736363581. The next prime is 13112736363673. The reversal of 13112736363640 is 4636363721131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191121822 + ... + 191190418.

Almost surely, 213112736363640 is an apocalyptic number.

13112736363640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112736363640 is an abundant number, since it is smaller than the sum of its proper divisors (16454477865320).

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

13112736363640 is a wasteful number, since it uses less digits than its factorization.

13112736363640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78832 (or 78828 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 13112736363640 in words is "thirteen trillion, one hundred twelve billion, seven hundred thirty-six million, three hundred sixty-three thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 491 982 1964 2455 3928 4910 9733 9820 19466 19640 38932 48665 68597 77864 97330 137194 194660 274388 342985 389320 548776 685970 1371940 2743880 4778903 9557806 19115612 23894515 33681127 38231224 47789030 67362254 95578060 134724508 168405635 191156120 269449016 336811270 667654601 673622540 1335309202 1347245080 2670618404 3338273005 5341236808 6676546010 13353092020 26706184040 327818409091 655636818182 1311273636364 1639092045455 2622547272728 3278184090910 6556368181820 13112736363640