Base | Representation |
---|---|
bin | 11000001000010011… |
… | …10101101011011111 |
3 | 1020102211100100112122 |
4 | 30010021311223133 |
5 | 203012333334134 |
6 | 5541245453155 |
7 | 636012124505 |
oct | 140411655337 |
9 | 36384310478 |
10 | 12954589919 |
11 | 554858a167 |
12 | 26165711bb |
13 | 12b5b6282b |
14 | 8ac708675 |
15 | 50c48202e |
hex | 304275adf |
12954589919 has 8 divisors (see below), whose sum is σ = 13268887632. Its totient is φ = 12640884480.
The previous prime is 12954589889. The next prime is 12954589997. The reversal of 12954589919 is 91998545921.
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 12954589919 - 212 = 12954585823 is a prime.
It is a super-2 number, since 2×129545899192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12954589019) 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, 103634 + ... + 191439.
It is an arithmetic number, because the mean of its divisors is an integer number (1658610954).
Almost surely, 212954589919 is an apocalyptic number.
12954589919 is a deficient number, since it is larger than the sum of its proper divisors (314297713).
12954589919 is a wasteful number, since it uses less digits than its factorization.
12954589919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296137.
The product of its digits is 10497600, while the sum is 62.
The spelling of 12954589919 in words is "twelve billion, nine hundred fifty-four million, five hundred eighty-nine thousand, nine hundred nineteen".
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