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44542242112212 = 22321395175731009
BaseRepresentation
bin10100010000010110011001…
…00001001100001011010100
312211201012022102211001201200
422020023030201030023110
521314240002440042322
6234422231252352500
712245033166002355
oct1210131441141324
9184635272731650
1044542242112212
1113213293505279
124bb4702915730
131bb1413c4ac20
14addbdacc9d2c
155239a507b8ac
hex2882cc84c2d4

44542242112212 has 36 divisors (see below), whose sum is σ = 121253881306740. Its totient is φ = 13705305265152.

The previous prime is 44542242112183. The next prime is 44542242112273. The reversal of 44542242112212 is 21221124224544.

44542242112212 is a `hidden beast` number, since 4 + 4 + 5 + 4 + 2 + 2 + 421 + 1 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25230488816016 + 19311753296196 = 5022996^2 + 4394514^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×445422421122122 (a number of 28 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47587865037 + ... + 47587865972.

Almost surely, 244542242112212 is an apocalyptic number.

It is an amenable number.

44542242112212 is an abundant number, since it is smaller than the sum of its proper divisors (76711639194528).

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

44542242112212 is a wasteful number, since it uses less digits than its factorization.

44542242112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95175731032 (or 95175731027 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

Adding to 44542242112212 its reverse (21221124224544), we get a palindrome (65763366336756).

The spelling of 44542242112212 in words is "forty-four trillion, five hundred forty-two billion, two hundred forty-two million, one hundred twelve thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 95175731009 190351462018 285527193027 380702924036 571054386054 856581579081 1142108772108 1237284503117 1713163158162 2474569006234 3426326316324 3711853509351 4949138012468 7423707018702 11135560528053 14847414037404 22271121056106 44542242112212