Base | Representation |
---|---|
bin | 10101010101110011111111… |
… | …111111111100010100100101 |
3 | 110022022201200211202121122010 |
4 | 111111303333333330110211 |
5 | 44300232010044220141 |
6 | 531341422222424433 |
7 | 25525003522142250 |
oct | 2525637777742445 |
9 | 408281624677563 |
10 | 93857920304421 |
11 | 279a6a14160609 |
12 | a63a363732119 |
13 | 404a9c13c5180 |
14 | 1926a67512097 |
15 | acb6d725e416 |
hex | 555cffffc525 |
93857920304421 has 64 divisors (see below), whose sum is σ = 156140538236928. Its totient is φ = 48826982850048.
The previous prime is 93857920304377. The next prime is 93857920304557. The reversal of 93857920304421 is 12440302975839.
It is not a de Polignac number, because 93857920304421 - 215 = 93857920271653 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (93857920306421) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 471958810 + ... + 472157636.
It is an arithmetic number, because the mean of its divisors is an integer number (2439695909952).
Almost surely, 293857920304421 is an apocalyptic number.
93857920304421 is a gapful number since it is divisible by the number (91) formed by its first and last digit.
It is an amenable number.
93857920304421 is a deficient number, since it is larger than the sum of its proper divisors (62282617932507).
93857920304421 is a wasteful number, since it uses less digits than its factorization.
93857920304421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222610.
The product of its (nonzero) digits is 13063680, while the sum is 57.
The spelling of 93857920304421 in words is "ninety-three trillion, eight hundred fifty-seven billion, nine hundred twenty million, three hundred four thousand, four hundred twenty-one".
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