Base | Representation |
---|---|
bin | 111101000110101… |
… | …001101111100111 |
3 | 2122110000012221112 |
4 | 331012221233213 |
5 | 4044414412043 |
6 | 245420335235 |
7 | 34255444145 |
oct | 7506515747 |
9 | 2573005845 |
10 | 1025154023 |
11 | 486744433 |
12 | 2473a451b |
13 | 13450651a |
14 | 9a218595 |
15 | 5eeee518 |
hex | 3d1a9be7 |
1025154023 has 2 divisors, whose sum is σ = 1025154024. Its totient is φ = 1025154022.
The previous prime is 1025154017. The next prime is 1025154061. The reversal of 1025154023 is 3204515201.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1025154023 - 212 = 1025149927 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1025154023.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1025154223) 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 as a sum of consecutive naturals, namely, 512577011 + 512577012.
It is an arithmetic number, because the mean of its divisors is an integer number (512577012).
Almost surely, 21025154023 is an apocalyptic number.
1025154023 is a deficient number, since it is larger than the sum of its proper divisors (1).
1025154023 is an equidigital number, since it uses as much as digits as its factorization.
1025154023 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 1025154023 is about 32018.0265319398. The cubic root of 1025154023 is about 1008.3153378358.
Adding to 1025154023 its reverse (3204515201), we get a palindrome (4229669224).
The spelling of 1025154023 in words is "one billion, twenty-five million, one hundred fifty-four thousand, twenty-three".
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