Search a number
-
+
218607126144 = 2731124704871
BaseRepresentation
bin1100101110011000000…
…0000000011010000000
3202220021002212122000120
43023212000000122000
512040201411014034
6244232101220240
721536200625121
oct3134600003200
9686232778016
10218607126144
1184790029500
123644b101680
13177cb271aa4
14a81b3cc048
155a46ca6c49
hex32e6000680

218607126144 has 96 divisors (see below), whose sum is σ = 638262935520. Its totient is φ = 66244569600.

The previous prime is 218607126139. The next prime is 218607126167. The reversal of 218607126144 is 441621706812.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 218607126096 and 218607126105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2305972 + ... + 2398899.

It is an arithmetic number, because the mean of its divisors is an integer number (6648572245).

Almost surely, 2218607126144 is an apocalyptic number.

218607126144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

218607126144 is an abundant number, since it is smaller than the sum of its proper divisors (419655809376).

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

218607126144 is a wasteful number, since it uses less digits than its factorization.

218607126144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704910 (or 4704887 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 218607126144 in words is "two hundred eighteen billion, six hundred seven million, one hundred twenty-six thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 264 352 363 384 484 528 704 726 968 1056 1408 1452 1936 2112 2904 3872 4224 5808 7744 11616 15488 23232 46464 4704871 9409742 14114613 18819484 28229226 37638968 51753581 56458452 75277936 103507162 112916904 150555872 155260743 207014324 225833808 301111744 310521486 414028648 451667616 569289391 602223488 621042972 828057296 903335232 1138578782 1242085944 1656114592 1707868173 1806670464 2277157564 2484171888 3312229184 3415736346 4554315128 4968343776 6624458368 6831472692 9108630256 9936687552 13662945384 18217260512 19873375104 27325890768 36434521024 54651781536 72869042048 109303563072 218607126144