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102010223111 = 163496239539
BaseRepresentation
bin101111100000001001…
…0000111101000000111
3100202022021020020221112
41133000102013220013
53132404104114421
6114510213035235
710240623406166
oct1370022075007
9322267206845
10102010223111
113a298125515
121792b025b1b
139809126084
144d1a01b3dd
1529c096b45b
hex17c0487a07

102010223111 has 4 divisors (see below), whose sum is σ = 102016479000. Its totient is φ = 102003967224.

The previous prime is 102010223101. The next prime is 102010223131. The reversal of 102010223111 is 111322010201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102010223111 - 218 = 102009960967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010223101) 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, 3103421 + ... + 3136118.

It is an arithmetic number, because the mean of its divisors is an integer number (25504119750).

Almost surely, 2102010223111 is an apocalyptic number.

102010223111 is a deficient number, since it is larger than the sum of its proper divisors (6255889).

102010223111 is an equidigital number, since it uses as much as digits as its factorization.

102010223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255888.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102010223111 its reverse (111322010201), we get a palindrome (213332233312).

The spelling of 102010223111 in words is "one hundred two billion, ten million, two hundred twenty-three thousand, one hundred eleven".

Divisors: 1 16349 6239539 102010223111