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212144403132144 = 24327297257266117
BaseRepresentation
bin110000001111000110110111…
…110010100010111011110000
31000211010210210012200022220100
4300033012313302202323300
5210301233214200212034
62031105443211512400
762453633034601350
oct6017066762427360
91024123705608810
10212144403132144
1161660a32a7a67a
121b96300b458700
13914b19282c292
143a55bb5922b60
15197d569538099
hexc0f1b7ca2ef0

212144403132144 has 120 divisors (see below), whose sum is σ = 701922778932960. Its totient is φ = 58522593959424.

The previous prime is 212144403132097. The next prime is 212144403132203. The reversal of 212144403132144 is 441231304441212.

212144403132144 is a `hidden beast` number, since 2 + 1 + 2 + 14 + 440 + 31 + 32 + 144 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 212144403132099 and 212144403132108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3628603827 + ... + 3628662290.

It is an arithmetic number, because the mean of its divisors is an integer number (5849356491108).

Almost surely, 2212144403132144 is an apocalyptic number.

212144403132144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212144403132144 is an abundant number, since it is smaller than the sum of its proper divisors (489778375800816).

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

212144403132144 is a wasteful number, since it uses less digits than its factorization.

212144403132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257266167 (or 7257266158 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

Adding to 212144403132144 its reverse (441231304441212), we get a palindrome (653375707573356).

The spelling of 212144403132144 in words is "two hundred twelve trillion, one hundred forty-four billion, four hundred three million, one hundred thirty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 36 42 48 56 58 63 72 84 87 112 116 126 144 168 174 203 232 252 261 336 348 406 464 504 522 609 696 812 1008 1044 1218 1392 1624 1827 2088 2436 3248 3654 4176 4872 7308 9744 14616 29232 7257266117 14514532234 21771798351 29029064468 43543596702 50800862819 58058128936 65315395053 87087193404 101601725638 116116257872 130630790106 152402588457 174174386808 203203451276 210460717393 261261580212 304805176914 348348773616 406406902552 420921434786 457207765371 522523160424 609610353828 631382152179 812813805104 841842869572 914415530742 1045046320848 1219220707656 1262764304358 1473225021751 1683685739144 1828831061484 1894146456537 2438441415312 2525528608716 2946450043502 3367371478288 3657662122968 3788292913074 4419675065253 5051057217432 5892900087004 7315324245936 7576585826148 8839350130506 10102114434864 11785800174008 13259025195759 15153171652296 17678700261012 23571600348016 26518050391518 30306343304592 35357400522024 53036100783036 70714801044048 106072201566072 212144403132144