Base | Representation |
---|---|
bin | 111101000111011… |
… | …100011011110010 |
3 | 2122110101202202102 |
4 | 331013130123302 |
5 | 4044443033100 |
6 | 245425020402 |
7 | 34260300365 |
oct | 7507343362 |
9 | 2573352672 |
10 | 1025361650 |
11 | 486876425 |
12 | 247484702 |
13 | 134579b91 |
14 | 9a2700dc |
15 | 60040cd5 |
hex | 3d1dc6f2 |
1025361650 has 24 divisors (see below), whose sum is σ = 1933305204. Its totient is φ = 404524800.
The previous prime is 1025361641. The next prime is 1025361653. The reversal of 1025361650 is 561635201.
It can be written as a sum of positive squares in 6 ways, for example, as 103571329 + 921790321 = 10177^2 + 30361^2 .
It is not an unprimeable number, because it can be changed into a prime (1025361653) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136811 + ... + 144110.
Almost surely, 21025361650 is an apocalyptic number.
1025361650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1025361650 is a deficient number, since it is larger than the sum of its proper divisors (907943554).
1025361650 is a wasteful number, since it uses less digits than its factorization.
1025361650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 281006 (or 281001 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 1025361650 is about 32021.2687131538. The cubic root of 1025361650 is about 1008.3834054470.
Adding to 1025361650 its reverse (561635201), we get a palindrome (1586996851).
The spelling of 1025361650 in words is "one billion, twenty-five million, three hundred sixty-one thousand, six hundred fifty".
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