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211244434324 = 227111429479957
BaseRepresentation
bin1100010010111100100…
…1100100001110010100
3202012020222200010120221
43010233021210032110
511430112033344244
6241013325204124
721155556031240
oct3045711441624
9665228603527
10211244434324
1181651a81130
1234b35400644
1316bc6a8ab01
14a31d61d420
1557656e8784
hex312f264394

211244434324 has 48 divisors (see below), whose sum is σ = 461220439680. Its totient is φ = 82245260160.

The previous prime is 211244434301. The next prime is 211244434339. The reversal of 211244434324 is 423434442112.

It is a super-2 number, since 2×2112444343242 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211244434324.

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 15 ways as a sum of consecutive naturals, for example, 200154 + ... + 680110.

It is an arithmetic number, because the mean of its divisors is an integer number (9608759160).

Almost surely, 2211244434324 is an apocalyptic number.

It is an amenable number.

211244434324 is an abundant number, since it is smaller than the sum of its proper divisors (249976005356).

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

211244434324 is a wasteful number, since it uses less digits than its factorization.

211244434324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481408 (or 481406 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

Adding to 211244434324 its reverse (423434442112), we get a palindrome (634678876436).

The spelling of 211244434324 in words is "two hundred eleven billion, two hundred forty-four million, four hundred thirty-four thousand, three hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1429 2858 5716 10003 15719 20006 31438 40012 62876 110033 220066 440132 479957 959914 1919828 3359699 5279527 6719398 10559054 13438796 21118108 36956689 73913378 147826756 685858553 1371717106 2743434212 4801009871 7544444083 9602019742 15088888166 19204039484 30177776332 52811108581 105622217162 211244434324