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42636472960 = 2751133471699
BaseRepresentation
bin100111101101010101…
…001111001010000000
311002001102001020111011
4213231111033022000
51144304414113320
631330435330304
73036400016614
oct475525171200
9132042036434
1042636472960
111709a1a5214
12831aa50994
134036355833
1420c67c5344
1511981be05a
hex9ed54f280

42636472960 has 128 divisors (see below), whose sum is σ = 103186872000. Its totient is φ = 16845029376.

The previous prime is 42636472951. The next prime is 42636472987. The reversal of 42636472960 is 6927463624.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×426364729602 (a number of 22 digits) contains 22 as substring.

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, 25094191 + ... + 25095889.

Almost surely, 242636472960 is an apocalyptic number.

42636472960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42636472960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51593436000).

42636472960 is an abundant number, since it is smaller than the sum of its proper divisors (60550399040).

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

42636472960 is a wasteful number, since it uses less digits than its factorization.

42636472960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 42636472960 in words is "forty-two billion, six hundred thirty-six million, four hundred seventy-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 113 128 160 226 320 347 452 565 640 694 904 1130 1388 1699 1735 1808 2260 2776 3398 3470 3616 4520 5552 6796 6940 7232 8495 9040 11104 13592 13880 14464 16990 18080 22208 27184 27760 33980 36160 39211 44416 54368 55520 67960 72320 78422 108736 111040 135920 156844 191987 196055 217472 222080 271840 313688 383974 392110 543680 589553 627376 767948 784220 959935 1087360 1179106 1254752 1535896 1568440 1919870 2358212 2509504 2947765 3071792 3136880 3839740 4716424 5019008 5895530 6143584 6273760 7679480 9432848 11791060 12287168 12547520 15358960 18865696 23582120 24574336 25095040 30717920 37731392 47164240 61435840 66619489 75462784 94328480 122871680 133238978 188656960 266477956 333097445 377313920 532955912 666194890 1065911824 1332389780 2131823648 2664779560 4263647296 5329559120 8527294592 10659118240 21318236480 42636472960