Base | Representation |
---|---|
bin | 1001001011000111011… |
… | …01010101011101000111 |
3 | 1010010121012122110222121 |
4 | 10211203231111131013 |
5 | 20131020043110401 |
6 | 400445310310411 |
7 | 31526041021213 |
oct | 4454355253507 |
9 | 1103535573877 |
10 | 315205441351 |
11 | 111750288459 |
12 | 511097b8407 |
13 | 239540b8898 |
14 | 11382763943 |
15 | 82ec554ca1 |
hex | 4963b55747 |
315205441351 has 4 divisors (see below), whose sum is σ = 316403941392. Its totient is φ = 314006941312.
The previous prime is 315205441307. The next prime is 315205441357. The reversal of 315205441351 is 153144502513.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153144502513 = 23 ⋅6658456631.
It is a cyclic number.
It is not a de Polignac number, because 315205441351 - 29 = 315205440839 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315205441357) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599249626 + ... + 599250151.
It is an arithmetic number, because the mean of its divisors is an integer number (79100985348).
Almost surely, 2315205441351 is an apocalyptic number.
315205441351 is a deficient number, since it is larger than the sum of its proper divisors (1198500041).
315205441351 is a wasteful number, since it uses less digits than its factorization.
315205441351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1198500040.
The product of its (nonzero) digits is 36000, while the sum is 34.
Adding to 315205441351 its reverse (153144502513), we get a palindrome (468349943864).
The spelling of 315205441351 in words is "three hundred fifteen billion, two hundred five million, four hundred forty-one thousand, three hundred fifty-one".
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