Base | Representation |
---|---|
bin | 1011111011110111111011… |
… | …1101000101100110010100 |
3 | 1201110120102012120220112112 |
4 | 2332331332331011212110 |
5 | 3210002411242012322 |
6 | 43524423511410152 |
7 | 2523060331160543 |
oct | 276757675054624 |
9 | 51416365526475 |
10 | 13123255032212 |
11 | 41aa5a5385786 |
12 | 157b45b683958 |
13 | 74269633c040 |
14 | 3352517a015a |
15 | 17b5752ab5e2 |
hex | bef7ef45994 |
13123255032212 has 12 divisors (see below), whose sum is σ = 24732288330036. Its totient is φ = 6056886937920.
The previous prime is 13123255032191. The next prime is 13123255032299. The reversal of 13123255032212 is 21223055232131.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8643623520016 + 4479631512196 = 2940004^2 + 2116514^2 .
It is a super-4 number, since 4×131232550322124 (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126185144489 + ... + 126185144592.
It is an arithmetic number, because the mean of its divisors is an integer number (2061024027503).
Almost surely, 213123255032212 is an apocalyptic number.
It is an amenable number.
13123255032212 is a deficient number, since it is larger than the sum of its proper divisors (11609033297824).
13123255032212 is a wasteful number, since it uses less digits than its factorization.
13123255032212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252370289098 (or 252370289096 counting only the distinct ones).
The product of its (nonzero) digits is 21600, while the sum is 32.
The spelling of 13123255032212 in words is "thirteen trillion, one hundred twenty-three billion, two hundred fifty-five million, thirty-two thousand, two hundred twelve".
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