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10102122223 = 17956436437
BaseRepresentation
bin10010110100010001…
…00010011011101111
3222002000220222110221
421122020202123233
5131142120402343
64350231312211
7505224423244
oct113210423357
928060828427
1010102122223
114314425a46
121b5b21b667
13c4cbc4c1b
146bb9475cb
153e1d315ed
hex25a2226ef

10102122223 has 4 divisors (see below), whose sum is σ = 10158558840. Its totient is φ = 10045685608.

The previous prime is 10102122209. The next prime is 10102122227. The reversal of 10102122223 is 32222120101.

It is a happy number.

10102122223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10102122223 - 221 = 10100025071 is a prime.

It is a super-3 number, since 3×101021222233 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102122197 and 10102122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28218040 + ... + 28218397.

It is an arithmetic number, because the mean of its divisors is an integer number (2539639710).

Almost surely, 210102122223 is an apocalyptic number.

10102122223 is a deficient number, since it is larger than the sum of its proper divisors (56436617).

10102122223 is an equidigital number, since it uses as much as digits as its factorization.

10102122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56436616.

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

Adding to 10102122223 its reverse (32222120101), we get a palindrome (42324242324).

The spelling of 10102122223 in words is "ten billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty-three".

Divisors: 1 179 56436437 10102122223