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220551607005180 = 2235112247291486987
BaseRepresentation
bin110010001001011100101100…
…001100001010111111111100
31001220220112020200222202202220
4302021130230030022333330
5212402004142343131210
62101024002020045340
764312220265456123
oct6211345414127774
91056815220882686
10220551607005180
1164302458427690
12208a0466b33850
13960ac09379829
143c66a7cdd0aba
151a770c0532c70
hexc8972c30affc

220551607005180 has 96 divisors (see below), whose sum is σ = 673688359491840. Its totient is φ = 53466782369280.

The previous prime is 220551607005161. The next prime is 220551607005203. The reversal of 220551607005180 is 81500706155022.

It is a super-2 number, since 2×2205516070051802 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147577647 + ... + 149064633.

It is an arithmetic number, because the mean of its divisors is an integer number (7017587078040).

Almost surely, 2220551607005180 is an apocalyptic number.

220551607005180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220551607005180 is an abundant number, since it is smaller than the sum of its proper divisors (453136752486660).

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

220551607005180 is a wasteful number, since it uses less digits than its factorization.

220551607005180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711739 (or 1711737 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 220551607005180 in words is "two hundred twenty trillion, five hundred fifty-one billion, six hundred seven million, five thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 224729 449458 674187 898916 1123645 1348374 1486987 2247290 2472019 2696748 2973974 3370935 4460961 4494580 4944038 5947948 6741870 7416057 7434935 8921922 9888076 12360095 13483740 14832114 14869870 16356857 17843844 22304805 24720190 29664228 29739740 32713714 37080285 44609610 49070571 49440380 65427428 74160570 81784285 89219220 98141142 148321140 163568570 196282284 245352855 327137140 490705710 981411420 334169101523 668338203046 1002507304569 1336676406092 1670845507615 2005014609138 3341691015230 3675860116753 4010029218276 5012536522845 6683382030460 7351720233506 10025073045690 11027580350259 14703440467012 18379300583765 20050146091380 22055160700518 36758601167530 44110321401036 55137901751295 73517202335060 110275803502590 220551607005180