Base | Representation |
---|---|
bin | 110001000000001111… |
… | …1110111111101010101 |
3 | 101001122000022122212012 |
4 | 1202000133313331111 |
5 | 3211010133220141 |
6 | 120202212234005 |
7 | 10413552126560 |
oct | 1420037677525 |
9 | 331560278765 |
10 | 105235054421 |
11 | 406a2498a62 |
12 | 1848b00b905 |
13 | 9c0127a093 |
14 | 514442b4d7 |
15 | 2b0db21ceb |
hex | 18807f7f55 |
105235054421 has 8 divisors (see below), whose sum is σ = 123065578944. Its totient is φ = 88103766240.
The previous prime is 105235054409. The next prime is 105235054429. The reversal of 105235054421 is 124450532501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 105235054421 - 210 = 105235053397 is a prime.
It is a super-2 number, since 2×1052350544212 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105235054429) 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, 174808760 + ... + 174809361.
It is an arithmetic number, because the mean of its divisors is an integer number (15383197368).
Almost surely, 2105235054421 is an apocalyptic number.
It is an amenable number.
105235054421 is a deficient number, since it is larger than the sum of its proper divisors (17830524523).
105235054421 is an equidigital number, since it uses as much as digits as its factorization.
105235054421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349618171.
The product of its (nonzero) digits is 24000, while the sum is 32.
Adding to 105235054421 its reverse (124450532501), we get a palindrome (229685586922).
The spelling of 105235054421 in words is "one hundred five billion, two hundred thirty-five million, fifty-four thousand, four hundred twenty-one".
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