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13220103234 = 2313251675253
BaseRepresentation
bin11000100111111101…
…01100010001000010
31021010022221211100010
430103332230101002
5204033321300414
610023452405350
7645415011012
oct142376542102
937108854303
1013220103234
115674449258
12268b476856
131328b773c0
148d5aa1c42
1552592c959
hex313fac442

13220103234 has 32 divisors (see below), whose sum is σ = 28587553344. Its totient is φ = 4051512000.

The previous prime is 13220103217. The next prime is 13220103257. The reversal of 13220103234 is 43230102231.

It is a super-2 number, since 2×132201032342 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13220103234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318049 + ... + 357204.

It is an arithmetic number, because the mean of its divisors is an integer number (893361042).

Almost surely, 213220103234 is an apocalyptic number.

13220103234 is an abundant number, since it is smaller than the sum of its proper divisors (15367450110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13220103234 is a wasteful number, since it uses less digits than its factorization.

13220103234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675522.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13220103234 its reverse (43230102231), we get a palindrome (56450205465).

The spelling of 13220103234 in words is "thirteen billion, two hundred twenty million, one hundred three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 251 502 753 1506 3263 6526 9789 19578 675253 1350506 2025759 4051518 8778289 17556578 26334867 52669734 169488503 338977006 508465509 1016931018 2203350539 4406701078 6610051617 13220103234