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102120102223 = 972053512803
BaseRepresentation
bin101111100011011010…
…1010001100101001111
3100202120220222200202021
41133012311101211033
53133120221232343
6114525140111011
710243426355356
oct1370665214517
9322526880667
10102120102223
113a3441542a7
121795b995467
139825b183b9
144d2a86099d
1529ca4230ed
hex17c6d5194f

102120102223 has 8 divisors (see below), whose sum is σ = 103223342768. Its totient is φ = 101017891584.

The previous prime is 102120102187. The next prime is 102120102283. The reversal of 102120102223 is 322201021201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102120102223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120102197 and 102120102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120102283) 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, 57261 + ... + 455542.

It is an arithmetic number, because the mean of its divisors is an integer number (12902917846).

Almost surely, 2102120102223 is an apocalyptic number.

102120102223 is a deficient number, since it is larger than the sum of its proper divisors (1103240545).

102120102223 is an equidigital number, since it uses as much as digits as its factorization.

102120102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514953.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102120102223 its reverse (322201021201), we get a palindrome (424321123424).

The spelling of 102120102223 in words is "one hundred two billion, one hundred twenty million, one hundred two thousand, two hundred twenty-three".

Divisors: 1 97 2053 199141 512803 49741891 1052784559 102120102223