Base | Representation |
---|---|
bin | 1001000110101100000… |
… | …01110110000100000101 |
3 | 1002220110112220222010122 |
4 | 10203112001312010011 |
5 | 20111133041000000 |
6 | 355413355231325 |
7 | 31413115656326 |
oct | 4432601660405 |
9 | 1086415828118 |
10 | 312828453125 |
11 | 110740562a81 |
12 | 50765748545 |
13 | 236657c9186 |
14 | 111d8bb444d |
15 | 820da27085 |
hex | 48d6076105 |
312828453125 has 14 divisors (see below), whose sum is σ = 391030580682. Its totient is φ = 250262750000.
The previous prime is 312828453097. The next prime is 312828453211. The reversal of 312828453125 is 521354828213.
It is a happy number.
It can be written as a sum of positive squares in 7 ways, for example, as 311366232004 + 1462221121 = 558002^2 + 38239^2 .
It is not a de Polignac number, because 312828453125 - 222 = 312824258821 is a prime.
It is a super-3 number, since 3×3128284531253 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 9994886 + ... + 10026135.
It is an arithmetic number, because the mean of its divisors is an integer number (27930755763).
Almost surely, 2312828453125 is an apocalyptic number.
It is an amenable number.
312828453125 is a deficient number, since it is larger than the sum of its proper divisors (78202127557).
312828453125 is an frugal number, since it uses more digits than its factorization.
312828453125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20021051 (or 20021026 counting only the distinct ones).
The product of its digits is 460800, while the sum is 44.
The spelling of 312828453125 in words is "three hundred twelve billion, eight hundred twenty-eight million, four hundred fifty-three thousand, one hundred twenty-five".
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