Base | Representation |
---|---|
bin | 10011001101001101… |
… | …11011011010011010 |
3 | 222121121202011210221 |
4 | 21212212323122122 |
5 | 132104210243300 |
6 | 4423105230254 |
7 | 513345404500 |
oct | 114646733232 |
9 | 28547664727 |
10 | 10311415450 |
11 | 4411586056 |
12 | 1bb933238a |
13 | c8438417b |
14 | 6db668670 |
15 | 4053c431a |
hex | 2669bb69a |
10311415450 has 144 divisors (see below), whose sum is σ = 24440366520. Its totient is φ = 3212267520.
The previous prime is 10311415409. The next prime is 10311415459. The reversal of 10311415450 is 5451411301.
It can be written as a sum of positive squares in 12 ways, for example, as 3572811529 + 6738603921 = 59773^2 + 82089^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (10311415459) 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 in 71 ways as a sum of consecutive naturals, for example, 1203582 + ... + 1212118.
Almost surely, 210311415450 is an apocalyptic number.
10311415450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10311415450 is an abundant number, since it is smaller than the sum of its proper divisors (14128951070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10311415450 is a wasteful number, since it uses less digits than its factorization.
10311415450 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8609 (or 8597 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 25.
Adding to 10311415450 its reverse (5451411301), we get a palindrome (15762826751).
The spelling of 10311415450 in words is "ten billion, three hundred eleven million, four hundred fifteen thousand, four hundred fifty".
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