Base | Representation |
---|---|
bin | 111100010100111… |
… | …000100011001001 |
3 | 2121112110101102200 |
4 | 330110320203021 |
5 | 4033044414330 |
6 | 244232550413 |
7 | 34036525425 |
oct | 7424704311 |
9 | 2545411380 |
10 | 1012107465 |
11 | 47a343356 |
12 | 242b52409 |
13 | 1318b9075 |
14 | 985bdb85 |
15 | 5dcc3a60 |
hex | 3c5388c9 |
1012107465 has 24 divisors (see below), whose sum is σ = 1755773448. Its totient is φ = 539343360.
The previous prime is 1012107463. The next prime is 1012107487. The reversal of 1012107465 is 5647012101.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 639887616 + 372219849 = 25296^2 + 19293^2 .
It is not a de Polignac number, because 1012107465 - 21 = 1012107463 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1012107463) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49695 + ... + 67035.
It is an arithmetic number, because the mean of its divisors is an integer number (73157227).
Almost surely, 21012107465 is an apocalyptic number.
1012107465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1012107465 is a deficient number, since it is larger than the sum of its proper divisors (743665983).
1012107465 is a wasteful number, since it uses less digits than its factorization.
1012107465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18649 (or 18646 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 1012107465 is about 31813.6364630012. The cubic root of 1012107465 is about 1004.0196424917.
Adding to 1012107465 its reverse (5647012101), we get a palindrome (6659119566).
The spelling of 1012107465 in words is "one billion, twelve million, one hundred seven thousand, four hundred sixty-five".
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