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13213006892969 = 133173206262289
BaseRepresentation
bin1100000001000110010010…
…0101010000111110101001
31201210011002011112211121112
43000101210211100332221
53212440214231033334
644033545505320105
72532415425332222
oct300214445207651
951704064484545
1013213006892969
114234671a24114
121594929336035
1374ac9a920860
14339727748249
1517da799704ce
hexc0464950fa9

13213006892969 has 8 divisors (see below), whose sum is σ = 14274279715080. Its totient is φ = 12158146596096.

The previous prime is 13213006892909. The next prime is 13213006892971. The reversal of 13213006892969 is 96929860031231.

It can be written as a sum of positive squares in 4 ways, for example, as 178654155625 + 13034352737344 = 422675^2 + 3610312^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13213006892969 - 28 = 13213006892713 is a prime.

It is a super-2 number, since 2×132130068929692 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13213006892909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603127024 + ... + 1603135265.

It is an arithmetic number, because the mean of its divisors is an integer number (1784284964385).

Almost surely, 213213006892969 is an apocalyptic number.

It is an amenable number.

13213006892969 is a deficient number, since it is larger than the sum of its proper divisors (1061272822111).

13213006892969 is a wasteful number, since it uses less digits than its factorization.

13213006892969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206262619.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 13213006892969 in words is "thirteen trillion, two hundred thirteen billion, six million, eight hundred ninety-two thousand, nine hundred sixty-nine".

Divisors: 1 13 317 4121 3206262289 41681409757 1016385145613 13213006892969