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220512260031231 = 37214391441172337
BaseRepresentation
bin110010001000111000000010…
…111011011000001011111111
31001220202202200112201101121110
4302020320002323120023333
5212400333102031444411
62100553533405533103
764306325240634300
oct6210700273301377
91056682615641543
10220512260031231
11642977a70547a3
1220894905874193
1396072a869a71c
143c64bc94507a7
151a7606b0402a6
hexc88e02ed82ff

220512260031231 has 48 divisors (see below), whose sum is σ = 342285175249920. Its totient is φ = 125908961713920.

The previous prime is 220512260031209. The next prime is 220512260031241. The reversal of 220512260031231 is 132130062215022.

220512260031231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220512260031231 - 27 = 220512260031103 is a prime.

It is a super-2 number, since 2×2205122600312312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220512260031241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3048365895 + ... + 3048438231.

It is an arithmetic number, because the mean of its divisors is an integer number (7130941151040).

Almost surely, 2220512260031231 is an apocalyptic number.

220512260031231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220512260031231 is a deficient number, since it is larger than the sum of its proper divisors (121772915218689).

220512260031231 is a wasteful number, since it uses less digits than its factorization.

220512260031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88204 (or 88197 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 220512260031231 in words is "two hundred twenty trillion, five hundred twelve billion, two hundred sixty million, thirty-one thousand, two hundred thirty-one".

Divisors: 1 3 7 21 49 147 1439 4317 10073 14411 30219 43233 70511 72337 100877 211533 217011 302631 506359 706139 1519077 2118417 3544513 10633539 20737429 62212287 104092943 145162003 312278829 435486009 728650601 1016134021 1042448507 2185951803 3048402063 3127345521 5100554207 7297139549 15301662621 21891418647 51079976843 153239930529 1500083401573 4500250204719 10500583811011 31501751433033 73504086677077 220512260031231