Base | Representation |
---|---|
bin | 10101111111100… |
… | …101001101011011 |
3 | 221201022120202222 |
4 | 111333211031123 |
5 | 1223430122034 |
6 | 100340414255 |
7 | 12100232510 |
oct | 2577451533 |
9 | 851276688 |
10 | 368989019 |
11 | 17a314a03 |
12 | a36a738b |
13 | 5b5a43c9 |
14 | 37011307 |
15 | 225da12e |
hex | 15fe535b |
368989019 has 4 divisors (see below), whose sum is σ = 421701744. Its totient is φ = 316276296.
The previous prime is 368989003. The next prime is 368989031. The reversal of 368989019 is 910989863.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 368989019 - 24 = 368989003 is a prime.
It is a super-2 number, since 2×3689890192 = 272305792285164722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (368989039) 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 3 ways as a sum of consecutive naturals, for example, 26356352 + ... + 26356365.
It is an arithmetic number, because the mean of its divisors is an integer number (105425436).
Almost surely, 2368989019 is an apocalyptic number.
368989019 is a deficient number, since it is larger than the sum of its proper divisors (52712725).
368989019 is an equidigital number, since it uses as much as digits as its factorization.
368989019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52712724.
The product of its (nonzero) digits is 839808, while the sum is 53.
The square root of 368989019 is about 19209.0868861589. The cubic root of 368989019 is about 717.2509750231.
The spelling of 368989019 in words is "three hundred sixty-eight million, nine hundred eighty-nine thousand, nineteen".
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