Base | Representation |
---|---|
bin | 11100111010101001… |
… | …111011111100101010 |
3 | 2222010211212122120000 |
4 | 130322221323330222 |
5 | 1002042000434200 |
6 | 22132540243430 |
7 | 2146263545211 |
oct | 347251737452 |
9 | 88124778500 |
10 | 31048843050 |
11 | 12193298375 |
12 | 6026240576 |
13 | 2c0a773ba4 |
14 | 170786c078 |
15 | c1ac57300 |
hex | 73aa7bf2a |
31048843050 has 60 divisors (see below), whose sum is σ = 86269796646. Its totient is φ = 8279690400.
The previous prime is 31048843037. The next prime is 31048843051. The reversal of 31048843050 is 5034884013.
It can be written as a sum of positive squares in 3 ways, for example, as 29975035689 + 1073807361 = 173133^2 + 32769^2 .
It is a junction number, because it is equal to n+sod(n) for n = 31048842996 and 31048843014.
It is not an unprimeable number, because it can be changed into a prime (31048843051) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3829141 + ... + 3837240.
Almost surely, 231048843050 is an apocalyptic number.
31048843050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31048843050 is an abundant number, since it is smaller than the sum of its proper divisors (55220953596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31048843050 is a wasteful number, since it uses less digits than its factorization.
31048843050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7666405 (or 7666391 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The spelling of 31048843050 in words is "thirty-one billion, forty-eight million, eight hundred forty-three thousand, fifty".
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