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BaseRepresentation
bin11000100111111101…
…01011110001100111
31021010022221201120122
430103332223301213
5204033321214343
610023452352155
7645415002110
oct142376536147
937108851518
1013220101223
11567444779a
12268b47565b
131328b76504
148d5aa1207
1552592c068
hex313fabc67

13220101223 has 8 divisors (see below), whose sum is σ = 15118066848. Its totient is φ = 11324480544.

The previous prime is 13220101217. The next prime is 13220101277. The reversal of 13220101223 is 32210102231.

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 13220101223 - 230 = 12146359399 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 (13220101123) 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, 574136 + ... + 596717.

It is an arithmetic number, because the mean of its divisors is an integer number (1889758356).

Almost surely, 213220101223 is an apocalyptic number.

13220101223 is a deficient number, since it is larger than the sum of its proper divisors (1897965625).

13220101223 is a wasteful number, since it uses less digits than its factorization.

13220101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172473.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13220101223 its reverse (32210102231), we get a palindrome (45430203454).

The spelling of 13220101223 in words is "thirteen billion, two hundred twenty million, one hundred one thousand, two hundred twenty-three".