Base | Representation |
---|---|
bin | 11101111111000110111… |
… | …01111011010111100101 |
3 | 10122111102022112121012022 |
4 | 32333203131323113211 |
5 | 113340040221112000 |
6 | 2105153001032525 |
7 | 134303061613031 |
oct | 16774335732745 |
9 | 3574368477168 |
10 | 1030313457125 |
11 | 367a540a49a7 |
12 | 147821a85745 |
13 | 76209590a14 |
14 | 37c203691c1 |
15 | 1bc02b5b585 |
hex | efe377b5e5 |
1030313457125 has 8 divisors (see below), whose sum is σ = 1285831194648. Its totient is φ = 824250765600.
The previous prime is 1030313457091. The next prime is 1030313457127. The reversal of 1030313457125 is 5217543130301.
It can be written as a sum of positive squares in 4 ways, for example, as 139088718916 + 891224738209 = 372946^2 + 944047^2 .
It is not a de Polignac number, because 1030313457125 - 210 = 1030313456101 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030313457127) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121253704 + ... + 4121253953.
It is an arithmetic number, because the mean of its divisors is an integer number (160728899331).
Almost surely, 21030313457125 is an apocalyptic number.
It is an amenable number.
1030313457125 is a deficient number, since it is larger than the sum of its proper divisors (255517737523).
1030313457125 is an frugal number, since it uses more digits than its factorization.
1030313457125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8242507672 (or 8242507662 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 35.
Adding to 1030313457125 its reverse (5217543130301), we get a palindrome (6247856587426).
The spelling of 1030313457125 in words is "one trillion, thirty billion, three hundred thirteen million, four hundred fifty-seven thousand, one hundred twenty-five".
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