Base | Representation |
---|---|
bin | 10010101011001001… |
… | …10101110011111001 |
3 | 221212201001001220202 |
4 | 21111210311303321 |
5 | 131013031434140 |
6 | 4334500331545 |
7 | 503305444313 |
oct | 112544656371 |
9 | 27781031822 |
10 | 10025655545 |
11 | 4285248444 |
12 | 1b396a3bb5 |
13 | c3a100b79 |
14 | 6b17207b3 |
15 | 3da279915 |
hex | 255935cf9 |
10025655545 has 4 divisors (see below), whose sum is σ = 12030786660. Its totient is φ = 8020524432.
The previous prime is 10025655529. The next prime is 10025655551. The reversal of 10025655545 is 54555652001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54555652001 = 127 ⋅429572063.
It can be written as a sum of positive squares in 2 ways, for example, as 4940824681 + 5084830864 = 70291^2 + 71308^2 .
It is a cyclic number.
It is not a de Polignac number, because 10025655545 - 24 = 10025655529 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10025655499 and 10025655508.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1002565550 + ... + 1002565559.
It is an arithmetic number, because the mean of its divisors is an integer number (3007696665).
Almost surely, 210025655545 is an apocalyptic number.
It is an amenable number.
10025655545 is a deficient number, since it is larger than the sum of its proper divisors (2005131115).
10025655545 is an equidigital number, since it uses as much as digits as its factorization.
10025655545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2005131114.
The product of its (nonzero) digits is 150000, while the sum is 38.
The spelling of 10025655545 in words is "ten billion, twenty-five million, six hundred fifty-five thousand, five hundred forty-five".
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