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211030031300 = 225211383350051
BaseRepresentation
bin1100010010001001011…
…1101011101111000100
3202011201001020022221012
43010202113223233010
511424142142000200
6240540145541352
721150343445444
oct3044227535704
9664631208835
10211030031300
1181551a50a50
1234a95644858
1316b9152cb0a
14a2dcd6c124
155751996a35
hex31225ebbc4

211030031300 has 72 divisors (see below), whose sum is σ = 499705954272. Its totient is φ = 76716640000.

The previous prime is 211030031291. The next prime is 211030031323. The reversal of 211030031300 is 3130030112.

211030031300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2110300313002 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4191275 + ... + 4241325.

It is an arithmetic number, because the mean of its divisors is an integer number (6940360476).

Almost surely, 2211030031300 is an apocalyptic number.

211030031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211030031300 is an abundant number, since it is smaller than the sum of its proper divisors (288675922972).

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

211030031300 is a wasteful number, since it uses less digits than its factorization.

211030031300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53909 (or 53902 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 211030031300 its reverse (3130030112), we get a palindrome (214160061412).

The spelling of 211030031300 in words is "two hundred eleven billion, thirty million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 3833 7666 15332 19165 38330 42163 50051 76660 84326 95825 100102 168652 191650 200204 210815 250255 383300 421630 500510 550561 843260 1001020 1054075 1101122 1251275 2108150 2202244 2502550 2752805 4216300 5005100 5505610 11011220 13764025 27528050 55056100 191845483 383690966 767381932 959227415 1918454830 2110300313 3836909660 4220600626 4796137075 8441201252 9592274150 10551501565 19184548300 21103003130 42206006260 52757507825 105515015650 211030031300