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211032031100 = 225211238341187
BaseRepresentation
bin1100010010001001111…
…1010011111101111100
3202011201011222221010212
43010202133103331330
511424143144443400
6240540300451552
721150366444662
oct3044237237574
9664634887125
10211032031100
1181553097480
1234a96249bb8
1316b91a80127
14a2dd32cc32
155751c3e335
hex31227d3f7c

211032031100 has 72 divisors (see below), whose sum is σ = 521290885248. Its totient is φ = 73402436800.

The previous prime is 211032031037. The next prime is 211032031117. The reversal of 211032031100 is 1130230112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4145294 + ... + 4195893.

It is an arithmetic number, because the mean of its divisors is an integer number (7240151184).

Almost surely, 2211032031100 is an apocalyptic number.

211032031100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211032031100 is an abundant number, since it is smaller than the sum of its proper divisors (310258854148).

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

211032031100 is a wasteful number, since it uses less digits than its factorization.

211032031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341235 (or 8341228 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 211032031100 its reverse (1130230112), we get a palindrome (212162261212).

The spelling of 211032031100 in words is "two hundred eleven billion, thirty-two million, thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 230 253 275 460 506 550 575 1012 1100 1150 1265 2300 2530 5060 6325 12650 25300 8341187 16682374 33364748 41705935 83411870 91753057 166823740 183506114 191847301 208529675 367012228 383694602 417059350 458765285 767389204 834118700 917530570 959236505 1835061140 1918473010 2110320311 2293826425 3836946020 4220640622 4587652850 4796182525 8441281244 9175305700 9592365050 10551601555 19184730100 21103203110 42206406220 52758007775 105516015550 211032031100