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104140223221 = 139749210239
BaseRepresentation
bin110000011111100111…
…1011011001011110101
3100221210201012110210111
41200333033123023311
53201234344120341
6115501422223021
710344456202066
oct1407717331365
9327721173714
10104140223221
1140190494091
1218224424a71
139a884b8c78
14507cc7656d
152a9795c681
hex183f3db2f5

104140223221 has 4 divisors (see below), whose sum is σ = 104889433600. Its totient is φ = 103391012844.

The previous prime is 104140223207. The next prime is 104140223227. The reversal of 104140223221 is 122322041401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104140223221 - 213 = 104140215029 is a prime.

It is a super-2 number, since 2×1041402232212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104140223192 and 104140223201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104140223227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374604981 + ... + 374605258.

It is an arithmetic number, because the mean of its divisors is an integer number (26222358400).

Almost surely, 2104140223221 is an apocalyptic number.

It is an amenable number.

104140223221 is a deficient number, since it is larger than the sum of its proper divisors (749210379).

104140223221 is an equidigital number, since it uses as much as digits as its factorization.

104140223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749210378.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 104140223221 its reverse (122322041401), we get a palindrome (226462264622).

The spelling of 104140223221 in words is "one hundred four billion, one hundred forty million, two hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 139 749210239 104140223221