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13220101233 = 333071594897
BaseRepresentation
bin11000100111111101…
…01011110001110001
31021010022221201121000
430103332223301301
5204033321214413
610023452352213
7645415002123
oct142376536161
937108851530
1013220101233
1156744477a9
12268b475669
131328b76511
148d5aa1213
1552592c073
hex313fabc71

13220101233 has 16 divisors (see below), whose sum is σ = 19649143360. Its totient is φ = 8784687168.

The previous prime is 13220101217. The next prime is 13220101277. The reversal of 13220101233 is 33210102231.

It is not a de Polignac number, because 13220101233 - 24 = 13220101217 is a prime.

It is a super-2 number, since 2×132201012332 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13220100233) 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, 789160 + ... + 805737.

It is an arithmetic number, because the mean of its divisors is an integer number (1228071460).

Almost surely, 213220101233 is an apocalyptic number.

It is an amenable number.

13220101233 is a deficient number, since it is larger than the sum of its proper divisors (6429042127).

13220101233 is a wasteful number, since it uses less digits than its factorization.

13220101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595213 (or 1595207 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13220101233 its reverse (33210102231), we get a palindrome (46430203464).

The spelling of 13220101233 in words is "thirteen billion, two hundred twenty million, one hundred one thousand, two hundred thirty-three".

Divisors: 1 3 9 27 307 921 2763 8289 1594897 4784691 14354073 43062219 489633379 1468900137 4406700411 13220101233