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212231033055 = 3251711314711669
BaseRepresentation
bin1100010110100111110…
…1001001000011011111
3202021210202010112121200
43011221331021003133
511434122121024210
6241255251330543
721222166005336
oct3055175110337
9667722115550
10212231033055
1182008981388
123516b8b0a53
13170232b5242
14a3b467cd1d
1557c212e0c0
hex3169f490df

212231033055 has 96 divisors (see below), whose sum is σ = 393456061440. Its totient is φ = 105453895680.

The previous prime is 212231033033. The next prime is 212231033107. The reversal of 212231033055 is 550330132212.

It is a happy number.

212231033055 is a `hidden beast` number, since 2 + 12 + 2 + 310 + 330 + 5 + 5 = 666.

It is not a de Polignac number, because 212231033055 - 219 = 212230508767 is a prime.

It is a super-2 number, since 2×2122310330552 (a number of 23 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 95 ways as a sum of consecutive naturals, for example, 127159761 + ... + 127161429.

It is an arithmetic number, because the mean of its divisors is an integer number (4098500640).

Almost surely, 2212231033055 is an apocalyptic number.

212231033055 is a deficient number, since it is larger than the sum of its proper divisors (181225028385).

212231033055 is a wasteful number, since it uses less digits than its factorization.

212231033055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 212231033055 its reverse (550330132212), we get a palindrome (762561165267).

The spelling of 212231033055 in words is "two hundred twelve billion, two hundred thirty-one million, thirty-three thousand, fifty-five".

Divisors: 1 3 5 9 15 17 45 51 85 113 153 255 339 565 765 1017 1471 1669 1695 1921 4413 5007 5085 5763 7355 8345 9605 13239 15021 17289 22065 25007 25035 28373 28815 66195 75021 75105 85119 86445 125035 141865 166223 188597 225063 255357 375105 425595 498669 565791 831115 942985 1125315 1276785 1496007 1697373 2455099 2493345 2825791 2828955 3206149 7365297 7480035 8477373 8486865 9618447 12275495 14128955 16030745 22095891 25432119 28855341 36826485 41736683 42386865 48092235 110479455 125210049 127160595 144276705 208683415 277426187 375630147 626050245 832278561 1387130935 1878150735 2496835683 4161392805 4716245179 12484178415 14148735537 23581225895 42446206611 70743677685 212231033055