Base | Representation |
---|---|
bin | 11101010010011110… |
… | …010101010010110101 |
3 | 10000011200211000011121 |
4 | 131102132111102311 |
5 | 1003401301014300 |
6 | 22240333303541 |
7 | 2162215310521 |
oct | 352236252265 |
9 | 100150730147 |
10 | 31448454325 |
11 | 12378918222 |
12 | 6118034bb1 |
13 | 2c724aa572 |
14 | 1744970d81 |
15 | c40d9081a |
hex | 7527954b5 |
31448454325 has 24 divisors (see below), whose sum is σ = 40066913480. Its totient is φ = 24468480000.
The previous prime is 31448454283. The next prime is 31448454353. The reversal of 31448454325 is 52345484413.
It can be written as a sum of positive squares in 12 ways, for example, as 3969756036 + 27478698289 = 63006^2 + 165767^2 .
It is not a de Polignac number, because 31448454325 - 219 = 31447930037 is a prime.
It is a super-2 number, since 2×314484543252 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2770261 + ... + 2781589.
Almost surely, 231448454325 is an apocalyptic number.
It is an amenable number.
31448454325 is a deficient number, since it is larger than the sum of its proper divisors (8618459155).
31448454325 is a wasteful number, since it uses less digits than its factorization.
31448454325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14377 (or 14372 counting only the distinct ones).
The product of its digits is 921600, while the sum is 43.
The spelling of 31448454325 in words is "thirty-one billion, four hundred forty-eight million, four hundred fifty-four thousand, three hundred twenty-five".
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