Base | Representation |
---|---|
bin | 1011010101011100010… |
… | …01100110100011000111 |
3 | 1101020021202021110101002 |
4 | 11222232021212203013 |
5 | 22340113003400130 |
6 | 454530340123515 |
7 | 40065254154320 |
oct | 5525611464307 |
9 | 1336252243332 |
10 | 389468809415 |
11 | 140199a98004 |
12 | 6359439659b |
13 | 2a95a897c1a |
14 | 14bc9689447 |
15 | a1e70b0b45 |
hex | 5aae2668c7 |
389468809415 has 16 divisors (see below), whose sum is σ = 534226544640. Its totient is φ = 267015380640.
The previous prime is 389468809409. The next prime is 389468809469. The reversal of 389468809415 is 514908864983.
It is not a de Polignac number, because 389468809415 - 228 = 389200373959 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825485 + ... + 1208454.
It is an arithmetic number, because the mean of its divisors is an integer number (33389159040).
Almost surely, 2389468809415 is an apocalyptic number.
389468809415 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
389468809415 is a deficient number, since it is larger than the sum of its proper divisors (144757735225).
389468809415 is a wasteful number, since it uses less digits than its factorization.
389468809415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2039422.
The product of its (nonzero) digits is 59719680, while the sum is 65.
The spelling of 389468809415 in words is "three hundred eighty-nine billion, four hundred sixty-eight million, eight hundred nine thousand, four hundred fifteen".
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