Base | Representation |
---|---|
bin | 1001001011001000010… |
… | …00011101011101110111 |
3 | 1010010121201000202001000 |
4 | 10211210020131131313 |
5 | 20131023403131210 |
6 | 400450122534343 |
7 | 31526155325142 |
oct | 4454410353567 |
9 | 1103551022030 |
10 | 315212552055 |
11 | 1117542a4875 |
12 | 511100673b3 |
13 | 239557082bb |
14 | 11383695059 |
15 | 82eceabac0 |
hex | 496421d777 |
315212552055 has 32 divisors (see below), whose sum is σ = 560639877120. Its totient is φ = 168034759200.
The previous prime is 315212552051. The next prime is 315212552101. The reversal of 315212552055 is 550255212513.
315212552055 is a `hidden beast` number, since 3 + 1 + 5 + 2 + 125 + 520 + 5 + 5 = 666.
It is not a de Polignac number, because 315212552055 - 22 = 315212552051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315212552051) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255471 + ... + 834080.
It is an arithmetic number, because the mean of its divisors is an integer number (17519996160).
Almost surely, 2315212552055 is an apocalyptic number.
315212552055 is a deficient number, since it is larger than the sum of its proper divisors (245427325065).
315212552055 is a wasteful number, since it uses less digits than its factorization.
315212552055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1091708 (or 1091702 counting only the distinct ones).
The product of its (nonzero) digits is 75000, while the sum is 36.
Adding to 315212552055 its reverse (550255212513), we get a palindrome (865467764568).
The spelling of 315212552055 in words is "three hundred fifteen billion, two hundred twelve million, five hundred fifty-two thousand, fifty-five".
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