Base | Representation |
---|---|
bin | 11101010111100101… |
… | …001000101111100101 |
3 | 10000101200000110212201 |
4 | 131113211020233211 |
5 | 1004040213432010 |
6 | 22253033414501 |
7 | 2164305426406 |
oct | 352745105745 |
9 | 100350013781 |
10 | 31534124005 |
11 | 1241221110a |
12 | 614086a431 |
13 | 2c87174497 |
14 | 17520b19ad |
15 | c4866423a |
hex | 757948be5 |
31534124005 has 8 divisors (see below), whose sum is σ = 37861185024. Its totient is φ = 25213808400.
The previous prime is 31534123997. The next prime is 31534124009. The reversal of 31534124005 is 50042143513.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31534124005 - 23 = 31534123997 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 (31534124009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1676061 + ... + 1694770.
It is an arithmetic number, because the mean of its divisors is an integer number (4732648128).
Almost surely, 231534124005 is an apocalyptic number.
It is an amenable number.
31534124005 is a deficient number, since it is larger than the sum of its proper divisors (6327061019).
31534124005 is a wasteful number, since it uses less digits than its factorization.
31534124005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3372707.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 31534124005 its reverse (50042143513), we get a palindrome (81576267518).
The spelling of 31534124005 in words is "thirty-one billion, five hundred thirty-four million, one hundred twenty-four thousand, five".
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