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211200110000010 = 23259463247983503
BaseRepresentation
bin110000000001010111011011…
…100010000111011110001010
31000200210112101210120000000200
4300001113123202013132022
5210140300311130000020
62025103554024513030
762325463416446655
oct6001273342073612
91020715353500020
10211200110000010
116132751113505a
121b82bbb561b776
1390b0114737461
143a221d5b1289c
151963bed69a590
hexc015db88778a

211200110000010 has 48 divisors (see below), whose sum is σ = 549178316354304. Its totient is φ = 56314077502176.

The previous prime is 211200109999981. The next prime is 211200110000017. The reversal of 211200110000010 is 10000011002112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211200109999947 and 211200110000001.

It is not an unprimeable number, because it can be changed into a prime (211200110000017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123140082 + ... + 124843421.

It is an arithmetic number, because the mean of its divisors is an integer number (11441214924048).

Almost surely, 2211200110000010 is an apocalyptic number.

211200110000010 is an abundant number, since it is smaller than the sum of its proper divisors (337978206354294).

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

211200110000010 is a wasteful number, since it uses less digits than its factorization.

211200110000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247992979 (or 247992976 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211200110000010 its reverse (10000011002112), we get a palindrome (221200121002122).

The spelling of 211200110000010 in words is "two hundred eleven trillion, two hundred billion, one hundred ten million, ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9463 18926 28389 47315 56778 85167 94630 141945 170334 283890 425835 851670 247983503 495967006 743950509 1239917515 1487901018 2231851527 2479835030 3719752545 4463703054 7439505090 11159257635 22318515270 2346667888889 4693335777778 7040003666667 11733339444445 14080007333334 21120011000001 23466678888890 35200018333335 42240022000002 70400036666670 105600055000005 211200110000010