Base | Representation |
---|---|
bin | 110011011001101110… |
… | …001010000110011101 |
3 | 12021110110011120012012 |
4 | 303121232022012131 |
5 | 1401013221112141 |
6 | 41204403521005 |
7 | 3662501230346 |
oct | 633156120635 |
9 | 167413146165 |
10 | 55192363421 |
11 | 21452717598 |
12 | a843989165 |
13 | 5287710a10 |
14 | 29581870cd |
15 | 1680647ceb |
hex | cd9b8a19d |
55192363421 has 8 divisors (see below), whose sum is σ = 62934278904. Its totient is φ = 47949926400.
The previous prime is 55192363417. The next prime is 55192363439. The reversal of 55192363421 is 12436329155.
It can be written as a sum of positive squares in 4 ways, for example, as 24071522500 + 31120840921 = 155150^2 + 176411^2 .
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 55192363421 - 22 = 55192363417 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55192363441) 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 7 ways as a sum of consecutive naturals, for example, 124869380 + ... + 124869821.
It is an arithmetic number, because the mean of its divisors is an integer number (7866784863).
Almost surely, 255192363421 is an apocalyptic number.
It is an amenable number.
55192363421 is a deficient number, since it is larger than the sum of its proper divisors (7741915483).
55192363421 is a wasteful number, since it uses less digits than its factorization.
55192363421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 249739231.
The product of its digits is 194400, while the sum is 41.
The spelling of 55192363421 in words is "fifty-five billion, one hundred ninety-two million, three hundred sixty-three thousand, four hundred twenty-one".
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