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102112202011 = 2310634176539
BaseRepresentation
bin101111100011001011…
…1001000110100011011
3100202120101010022200211
41133012113020310123
53133111210431021
6114524254511551
710243302252601
oct1370627106433
9322511108624
10102112202011
113a33a7487a6
12179592055b7
1398242b0511
144d297a5871
1529c98b23e1
hex17c65c8d1b

102112202011 has 8 divisors (see below), whose sum is σ = 106652125440. Its totient is φ = 97580633832.

The previous prime is 102112202009. The next prime is 102112202029. The reversal of 102112202011 is 110202211201.

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

It is a cyclic number.

It is not a de Polignac number, because 102112202011 - 21 = 102112202009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102112201982 and 102112202000.

It is not an unprimeable number, because it can be changed into a prime (102112202081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063821 + ... + 2112718.

It is an arithmetic number, because the mean of its divisors is an integer number (13331515680).

Almost surely, 2102112202011 is an apocalyptic number.

102112202011 is a deficient number, since it is larger than the sum of its proper divisors (4539923429).

102112202011 is a wasteful number, since it uses less digits than its factorization.

102112202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177625.

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

Adding to 102112202011 its reverse (110202211201), we get a palindrome (212314413212).

The spelling of 102112202011 in words is "one hundred two billion, one hundred twelve million, two hundred two thousand, eleven".

Divisors: 1 23 1063 24449 4176539 96060397 4439660957 102112202011