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102112102010 = 2510211210201
BaseRepresentation
bin101111100011001011…
…0110000011001111010
3100202120100221020112002
41133012112300121322
53133111144231020
6114524252421002
710243301355212
oct1370626603172
9322510836462
10102112102010
113a33a68a656
1217959177762
139824276b49
144d2977b242
1529c9892975
hex17c65b067a

102112102010 has 8 divisors (see below), whose sum is σ = 183801783636. Its totient is φ = 40844840800.

The previous prime is 102112101997. The next prime is 102112102013. The reversal of 102112102010 is 10201211201.

It can be written as a sum of positive squares in 2 ways, for example, as 100184277361 + 1927824649 = 316519^2 + 43907^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102112101982 and 102112102000.

It is not an unprimeable number, because it can be changed into a prime (102112102013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105605091 + ... + 5105605110.

Almost surely, 2102112102010 is an apocalyptic number.

102112102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112102010 is a deficient number, since it is larger than the sum of its proper divisors (81689681626).

102112102010 is a wasteful number, since it uses less digits than its factorization.

102112102010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211210208.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102112102010 its reverse (10201211201), we get a palindrome (112313313211).

The spelling of 102112102010 in words is "one hundred two billion, one hundred twelve million, one hundred two thousand, ten".

Divisors: 1 2 5 10 10211210201 20422420402 51056051005 102112102010