Base | Representation |
---|---|
bin | 11001011101011000… |
… | …01111010110010101 |
3 | 1022021120020002112121 |
4 | 30232230033112111 |
5 | 210443033013104 |
6 | 10140142015541 |
7 | 662466134236 |
oct | 145654172625 |
9 | 38246202477 |
10 | 13668251029 |
11 | 588440a334 |
12 | 27955775b1 |
13 | 139a976004 |
14 | 9393db08d |
15 | 54ee52254 |
hex | 32eb0f595 |
13668251029 has 16 divisors (see below), whose sum is σ = 14705665920. Its totient is φ = 12678644160.
The previous prime is 13668251021. The next prime is 13668251041. The reversal of 13668251029 is 92015286631.
It is a cyclic number.
It is not a de Polignac number, because 13668251029 - 23 = 13668251021 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (43).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13668251021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13777 + ... + 165910.
It is an arithmetic number, because the mean of its divisors is an integer number (919104120).
Almost surely, 213668251029 is an apocalyptic number.
It is an amenable number.
13668251029 is a deficient number, since it is larger than the sum of its proper divisors (1037414891).
13668251029 is a wasteful number, since it uses less digits than its factorization.
13668251029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179820.
The product of its (nonzero) digits is 155520, while the sum is 43.
The spelling of 13668251029 in words is "thirteen billion, six hundred sixty-eight million, two hundred fifty-one thousand, twenty-nine".
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