Base | Representation |
---|---|
bin | 10010000110001… |
… | …10100110101101 |
3 | 101120122200000102 |
4 | 21003012212231 |
5 | 302330332204 |
6 | 23021440445 |
7 | 3522231113 |
oct | 1103064655 |
9 | 346580012 |
10 | 151808429 |
11 | 78767a13 |
12 | 42a10125 |
13 | 255b3096 |
14 | 16239ab3 |
15 | d4da41e |
hex | 90c69ad |
151808429 has 2 divisors, whose sum is σ = 151808430. Its totient is φ = 151808428.
The previous prime is 151808401. The next prime is 151808431. The reversal of 151808429 is 924808151.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 151339204 + 469225 = 12302^2 + 685^2 .
It is a cyclic number.
It is not a de Polignac number, because 151808429 - 216 = 151742893 is a prime.
Together with 151808431, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 151808392 and 151808401.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (151808029) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75904214 + 75904215.
It is an arithmetic number, because the mean of its divisors is an integer number (75904215).
Almost surely, 2151808429 is an apocalyptic number.
It is an amenable number.
151808429 is a deficient number, since it is larger than the sum of its proper divisors (1).
151808429 is an equidigital number, since it uses as much as digits as its factorization.
151808429 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23040, while the sum is 38.
The square root of 151808429 is about 12321.0563264681. The cubic root of 151808429 is about 533.4560300606.
The spelling of 151808429 in words is "one hundred fifty-one million, eight hundred eight thousand, four hundred twenty-nine".
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