Base | Representation |
---|---|
bin | 1001000101001111101… |
… | …00111010101110000111 |
3 | 1002211110112100201221120 |
4 | 10202213310322232013 |
5 | 20103041121444031 |
6 | 355204425245023 |
7 | 31354654250652 |
oct | 4424764725607 |
9 | 1084415321846 |
10 | 312053312391 |
11 | 110382a612a7 |
12 | 5058a033773 |
13 | 2357103b412 |
14 | 11163c7a899 |
15 | 81b5960a96 |
hex | 48a7d3ab87 |
312053312391 has 16 divisors (see below), whose sum is σ = 429287592960. Its totient is φ = 201526659360.
The previous prime is 312053312381. The next prime is 312053312399. The reversal of 312053312391 is 193213350213.
It is not a de Polignac number, because 312053312391 - 223 = 312044923783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312053312399) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12408955 + ... + 12434076.
It is an arithmetic number, because the mean of its divisors is an integer number (26830474560).
Almost surely, 2312053312391 is an apocalyptic number.
312053312391 is a deficient number, since it is larger than the sum of its proper divisors (117234280569).
312053312391 is a wasteful number, since it uses less digits than its factorization.
312053312391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24843166.
The product of its (nonzero) digits is 14580, while the sum is 33.
The spelling of 312053312391 in words is "three hundred twelve billion, fifty-three million, three hundred twelve thousand, three hundred ninety-one".
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