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13000121233 = 1119109356909
BaseRepresentation
bin11000001101101111…
…00001101110010001
31020120000000120202121
430012313201232101
5203111012334413
65545553414241
7640104131041
oct140667415621
936500016677
1013000121233
115571258550
12262986a381
1312c2414c38
148b479b721
15511477b8d
hex306de1b91

13000121233 has 16 divisors (see below), whose sum is σ = 14942289600. Its totient is φ = 11185836480.

The previous prime is 13000121231. The next prime is 13000121257. The reversal of 13000121233 is 33212100031.

13000121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13000121233 - 21 = 13000121231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199983 + ... + 256891.

It is an arithmetic number, because the mean of its divisors is an integer number (933893100).

Almost surely, 213000121233 is an apocalyptic number.

It is an amenable number.

13000121233 is a deficient number, since it is larger than the sum of its proper divisors (1942168367).

13000121233 is a wasteful number, since it uses less digits than its factorization.

13000121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58032.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13000121233 its reverse (33212100031), we get a palindrome (46212221264).

The spelling of 13000121233 in words is "thirteen billion, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 11 19 209 1093 12023 20767 56909 228437 625999 1081271 11893981 62201537 684216907 1181829203 13000121233