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102102130230 = 2356841497501
BaseRepresentation
bin101111100010111000…
…0101101111000110110
3100202112200011121210220
41133011300231320312
53133101121131410
6114523254555210
710243120534032
oct1370560557066
9322480147726
10102102130230
113a334a99711
1217955968b06
139822195099
144d283031c2
1529c8a73070
hex17c5c2de36

102102130230 has 32 divisors (see below), whose sum is σ = 245081425248. Its totient is φ = 27223200000.

The previous prime is 102102130199. The next prime is 102102130243. The reversal of 102102130230 is 32031201201.

102102130230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 43521 + ... + 453980.

It is an arithmetic number, because the mean of its divisors is an integer number (7658794539).

Almost surely, 2102102130230 is an apocalyptic number.

102102130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102130230 is an abundant number, since it is smaller than the sum of its proper divisors (142979295018).

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

102102130230 is a wasteful number, since it uses less digits than its factorization.

102102130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504352.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102102130230 its reverse (32031201201), we get a palindrome (134133331431).

The spelling of 102102130230 in words is "one hundred two billion, one hundred two million, one hundred thirty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6841 13682 20523 34205 41046 68410 102615 205230 497501 995002 1492503 2487505 2985006 4975010 7462515 14925030 3403404341 6806808682 10210213023 17017021705 20420426046 34034043410 51051065115 102102130230