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102102112210 = 25723292186809
BaseRepresentation
bin101111100010111000…
…0101001011111010010
3100202112200010201002111
41133011300221133102
53133101120042320
6114523254335534
710243120430350
oct1370560513722
9322480121074
10102102112210
113a334a8711a
121795595a5aa
139822189b17
144d282da7d0
1529c8a6ca5a
hex17c5c297d2

102102112210 has 64 divisors (see below), whose sum is σ = 226728460800. Its totient is φ = 32329769472.

The previous prime is 102102112207. The next prime is 102102112223. The reversal of 102102112210 is 12211201201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046715 + ... + 1140094.

It is an arithmetic number, because the mean of its divisors is an integer number (3542632200).

Almost surely, 2102102112210 is an apocalyptic number.

102102112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102112210 is an abundant number, since it is smaller than the sum of its proper divisors (124626348590).

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

102102112210 is a wasteful number, since it uses less digits than its factorization.

102102112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186875.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102102112210 its reverse (12211201201), we get a palindrome (114313313411).

The spelling of 102102112210 in words is "one hundred two billion, one hundred two million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 23 29 35 46 58 70 115 145 161 203 230 290 322 406 667 805 1015 1334 1610 2030 3335 4669 6670 9338 23345 46690 2186809 4373618 10934045 15307663 21868090 30615326 50296607 63417461 76538315 100593214 126834922 153076630 251483035 317087305 352076249 443922227 502966070 634174610 704152498 887844454 1458601603 1760381245 2219611135 2917203206 3520762490 4439222270 7293008015 10210211221 14586016030 20420422442 51051056105 102102112210