Base | Representation |
---|---|
bin | 1000000001111000… |
… | …1111011111100101 |
3 | 12120012210020121221 |
4 | 2000132033133211 |
5 | 13403241131204 |
6 | 553513540341 |
7 | 104261460223 |
oct | 20036173745 |
9 | 5505706557 |
10 | 2155411429 |
11 | a06745566 |
12 | 501a146b1 |
13 | 28471c3a2 |
14 | 166391b13 |
15 | c9360654 |
hex | 8078f7e5 |
2155411429 has 8 divisors (see below), whose sum is σ = 2176084512. Its totient is φ = 2134829520.
The previous prime is 2155411411. The next prime is 2155411439. The reversal of 2155411429 is 9241145512.
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 2155411429 - 215 = 2155378661 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2155411394 and 2155411403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2155411409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25194 + ... + 70324.
It is an arithmetic number, because the mean of its divisors is an integer number (272010564).
Almost surely, 22155411429 is an apocalyptic number.
It is an amenable number.
2155411429 is a deficient number, since it is larger than the sum of its proper divisors (20673083).
2155411429 is a wasteful number, since it uses less digits than its factorization.
2155411429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45587.
The product of its digits is 14400, while the sum is 34.
The square root of 2155411429 is about 46426.4087454543. The cubic root of 2155411429 is about 1291.7448154026.
The spelling of 2155411429 in words is "two billion, one hundred fifty-five million, four hundred eleven thousand, four hundred twenty-nine".
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