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211041313320 = 23355381326831
BaseRepresentation
bin1100010010001100001…
…0101110001000101000
3202011201211110111221210
43010203002232020220
511424203034011240
6240541231433120
721150541364565
oct3044302561050
9664654414853
10211041313320
1181558357332
1234a993857a0
1316b93980076
14a30066786c
155752974780
hex31230ae228

211041313320 has 64 divisors (see below), whose sum is σ = 633243536640. Its totient is φ = 56267052800.

The previous prime is 211041313277. The next prime is 211041313333. The reversal of 211041313320 is 23313140112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482305 + ... + 809135.

It is an arithmetic number, because the mean of its divisors is an integer number (9894430260).

Almost surely, 2211041313320 is an apocalyptic number.

211041313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211041313320 is an abundant number, since it is smaller than the sum of its proper divisors (422202223320).

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

211041313320 is a wasteful number, since it uses less digits than its factorization.

211041313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332226 (or 332222 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211041313320 its reverse (23313140112), we get a palindrome (234354453432).

The spelling of 211041313320 in words is "two hundred eleven billion, forty-one million, three hundred thirteen thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5381 10762 16143 21524 26905 32286 43048 53810 64572 80715 107620 129144 161430 215240 322860 326831 645720 653662 980493 1307324 1634155 1960986 2614648 3268310 3921972 4902465 6536620 7843944 9804930 13073240 19609860 39219720 1758677611 3517355222 5276032833 7034710444 8793388055 10552065666 14069420888 17586776110 21104131332 26380164165 35173552220 42208262664 52760328330 70347104440 105520656660 211041313320