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13220113203 = 32111128711831
BaseRepresentation
bin11000100111111101…
…01110101100110011
31021010022222100000100
430103332232230303
5204033322110303
610023452523443
7645415052043
oct142376565463
937108870010
1013220113203
1156744557a0
12268b480583
131328b7babb
148d5aa5723
155259308a3
hex313faeb33

13220113203 has 24 divisors (see below), whose sum is σ = 20835300096. Its totient is φ = 8010802800.

The previous prime is 13220113163. The next prime is 13220113253. The reversal of 13220113203 is 30231102231.

It is not a de Polignac number, because 13220113203 - 210 = 13220112179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220113253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1111498 + ... + 1123328.

It is an arithmetic number, because the mean of its divisors is an integer number (868137504).

Almost surely, 213220113203 is an apocalyptic number.

13220113203 is a deficient number, since it is larger than the sum of its proper divisors (7615186893).

13220113203 is a wasteful number, since it uses less digits than its factorization.

13220113203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23135 (or 23132 counting only the distinct ones).

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

Adding to 13220113203 its reverse (30231102231), we get a palindrome (43451215434).

The spelling of 13220113203 in words is "thirteen billion, two hundred twenty million, one hundred thirteen thousand, two hundred three".

Divisors: 1 3 9 11 33 99 11287 11831 33861 35493 101583 106479 124157 130141 372471 390423 1117413 1171269 133536497 400609491 1201828473 1468901467 4406704401 13220113203