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8728170084452 = 22713312333319741
BaseRepresentation
bin111111100000010111101…
…1110100011100001100100
31010220101221011212100202102
41333000233132203201210
52121000243020200302
630321355504031232
71560406122416660
oct177005736434144
933811834770672
108728170084452
112865661519265
12b8b6b2602518
134b40a8290710
14222634d698a0
1510208e17e702
hex7f02f7a3864

8728170084452 has 96 divisors (see below), whose sum is σ = 19488850827264. Its totient is φ = 3327176217600.

The previous prime is 8728170084401. The next prime is 8728170084457. The reversal of 8728170084452 is 2544800718278.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8728170084457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 969302 + ... + 4289042.

It is an arithmetic number, because the mean of its divisors is an integer number (203008862784).

Almost surely, 28728170084452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8728170084452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9744425413632).

8728170084452 is an abundant number, since it is smaller than the sum of its proper divisors (10760680742812).

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

8728170084452 is a wasteful number, since it uses less digits than its factorization.

8728170084452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320029 (or 3320027 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 56.

The spelling of 8728170084452 in words is "eight trillion, seven hundred twenty-eight billion, one hundred seventy million, eighty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 7 13 14 26 28 31 52 62 91 124 182 217 233 364 403 434 466 806 868 932 1612 1631 2821 3029 3262 5642 6058 6524 7223 11284 12116 14446 21203 28892 42406 50561 84812 93899 101122 187798 202244 375596 657293 1314586 2629172 3319741 6639482 13278964 23238187 43156633 46476374 86313266 92952748 102911971 172626532 205823942 302096431 411647884 604192862 720383797 773499653 1208385724 1337855623 1440767594 1546999306 2675711246 2881535188 3093998612 5351422492 5414497571 9364989361 10055495489 10828995142 18729978722 20110990978 21657990284 23978489243 37459957444 40221981956 47956978486 70388468423 95913956972 140776936846 167849424701 281553873692 311720360159 335698849402 623440720318 671397698804 1246881440636 2182042521113 4364085042226 8728170084452