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83863409130 = 236538929573
BaseRepresentation
bin100111000011010100…
…1100001000111101010
322000110120210121000000
41032012221201013222
52333223013043010
6102305403523430
76026133134034
oct1160651410752
9260416717000
1083863409130
1132625787596
1214305829576
137ba6670b17
1440b7cd4c54
1522ac7627c0
hex1386a611ea

83863409130 has 112 divisors (see below), whose sum is σ = 226917161640. Its totient is φ = 22305331584.

The previous prime is 83863409111. The next prime is 83863409131. The reversal of 83863409130 is 3190436838.

83863409130 is a `hidden beast` number, since 8 + 3 + 8 + 634 + 0 + 9 + 1 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39930829929 + 43932579201 = 199827^2 + 209601^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83863409131) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 2821024 + ... + 2850596.

Almost surely, 283863409130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83863409130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113458580820).

83863409130 is an abundant number, since it is smaller than the sum of its proper divisors (143053752510).

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

83863409130 is a wasteful number, since it uses less digits than its factorization.

83863409130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29987 (or 29972 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 83863409130 in words is "eighty-three billion, eight hundred sixty-three million, four hundred nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 389 405 486 729 778 810 1167 1215 1458 1945 2334 2430 3501 3645 3890 5835 7002 7290 10503 11670 17505 21006 29573 31509 35010 52515 59146 63018 88719 94527 105030 147865 157545 177438 189054 266157 283581 295730 315090 443595 472635 532314 567162 798471 887190 945270 1330785 1417905 1596942 2395413 2661570 2835810 3992355 4790826 7186239 7984710 11503897 11977065 14372478 21558717 23007794 23954130 34511691 35931195 43117434 57519485 69023382 71862390 103535073 107793585 115038970 172558455 207070146 215587170 310605219 345116910 517675365 621210438 931815657 1035350730 1553026095 1863631314 2795446971 3106052190 4659078285 5590893942 8386340913 9318156570 13977234855 16772681826 27954469710 41931704565 83863409130