Base | Representation |
---|---|
bin | 11101010001010010… |
… | …011110110101100011 |
3 | 10000010022101210122102 |
4 | 131101102132311203 |
5 | 1003331203223332 |
6 | 22234343201015 |
7 | 2161554304220 |
oct | 352122366543 |
9 | 100108353572 |
10 | 31428570467 |
11 | 12368677188 |
12 | 611144616b |
13 | 2c6b337c78 |
14 | 1742076947 |
15 | c3e264062 |
hex | 75149ed63 |
31428570467 has 8 divisors (see below), whose sum is σ = 35920047456. Its totient is φ = 26937513792.
The previous prime is 31428570419. The next prime is 31428570479. The reversal of 31428570467 is 76407582413.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31428570467 - 28 = 31428570211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31428570067) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 75953 + ... + 261965.
It is an arithmetic number, because the mean of its divisors is an integer number (4490005932).
Almost surely, 231428570467 is an apocalyptic number.
31428570467 is a deficient number, since it is larger than the sum of its proper divisors (4491476989).
31428570467 is a wasteful number, since it uses less digits than its factorization.
31428570467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210157.
The product of its (nonzero) digits is 1128960, while the sum is 47.
The spelling of 31428570467 in words is "thirty-one billion, four hundred twenty-eight million, five hundred seventy thousand, four hundred sixty-seven".
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