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13220103111 = 313759953699
BaseRepresentation
bin11000100111111101…
…01100001111000111
31021010022221211011120
430103332230033013
5204033321244421
610023452405023
7645415010445
oct142376541707
937108854146
1013220103111
115674449156
12268b476773
131328b77327
148d5aa1b95
1552592c8c6
hex313fac3c7

13220103111 has 16 divisors (see below), whose sum is σ = 17785440000. Its totient is φ = 8734301888.

The previous prime is 13220103107. The next prime is 13220103161. The reversal of 13220103111 is 11130102231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13220103111 - 22 = 13220103107 is a prime.

It is a super-2 number, since 2×132201031112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220103161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219340 + ... + 273038.

It is an arithmetic number, because the mean of its divisors is an integer number (1111590000).

Almost surely, 213220103111 is an apocalyptic number.

13220103111 is a deficient number, since it is larger than the sum of its proper divisors (4565336889).

13220103111 is a wasteful number, since it uses less digits than its factorization.

13220103111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54438.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13220103111 its reverse (11130102231), we get a palindrome (24350205342).

The spelling of 13220103111 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, one hundred eleven".

Divisors: 1 3 137 411 599 1797 53699 82063 161097 246189 7356763 22070289 32165701 96497103 4406701037 13220103111