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102010202111 = 313319999119
BaseRepresentation
bin101111100000001001…
…0000010011111111111
3100202022021012012010202
41133000102002133333
53132404102431421
6114510212354115
710240623261026
oct1370022023777
9322267165122
10102010202111
113a298110764
121792b01593b
13980911964c
144d1a0138bd
1529c096510b
hex17c04827ff

102010202111 has 8 divisors (see below), whose sum is σ = 105305088000. Its totient is φ = 98715580920.

The previous prime is 102010202053. The next prime is 102010202131. The reversal of 102010202111 is 111202010201.

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 102010202111 - 210 = 102010201087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102010202092 and 102010202101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010202131) 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, 979610 + ... + 1078728.

It is an arithmetic number, because the mean of its divisors is an integer number (13163136000).

Almost surely, 2102010202111 is an apocalyptic number.

102010202111 is a deficient number, since it is larger than the sum of its proper divisors (3294885889).

102010202111 is an equidigital number, since it uses as much as digits as its factorization.

102010202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132349.

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

Adding to 102010202111 its reverse (111202010201), we get a palindrome (213212212312).

The spelling of 102010202111 in words is "one hundred two billion, ten million, two hundred two thousand, one hundred eleven".

Divisors: 1 31 33199 99119 1029169 3072689 3290651681 102010202111