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102012112210 = 2510201211221
BaseRepresentation
bin101111100000001100…
…1010100110101010010
3100202022101210020022011
41133000121110311102
53132410100042320
6114510321333134
710240645434601
oct1370031246522
9322271706264
10102012112210
113a2991a5858
121792b7971aa
139809637b98
144d1a38da38
1529c0be105a
hex17c0654d52

102012112210 has 8 divisors (see below), whose sum is σ = 183621801996. Its totient is φ = 40804844880.

The previous prime is 102012112187. The next prime is 102012112243. The reversal of 102012112210 is 12211210201.

It can be written as a sum of positive squares in 2 ways, for example, as 102009333321 + 2778889 = 319389^2 + 1667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100605601 + ... + 5100605620.

Almost surely, 2102012112210 is an apocalyptic number.

102012112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012112210 is a deficient number, since it is larger than the sum of its proper divisors (81609689786).

102012112210 is a wasteful number, since it uses less digits than its factorization.

102012112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201211228.

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

Adding to 102012112210 its reverse (12211210201), we get a palindrome (114223322411).

The spelling of 102012112210 in words is "one hundred two billion, twelve million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 10201211221 20402422442 51006056105 102012112210