Base | Representation |
---|---|
bin | 100010101101001101… |
… | …1011010100001100001 |
3 | 21010101020022112222221 |
4 | 1011122123122201201 |
5 | 2210120041030001 |
6 | 54123410231041 |
7 | 5245650656104 |
oct | 1053233324141 |
9 | 233336275887 |
10 | 74531580001 |
11 | 2967715220a |
12 | 12540585481 |
13 | 704a22a338 |
14 | 38707c273b |
15 | 1e1338b1a1 |
hex | 115a6da861 |
74531580001 has 8 divisors (see below), whose sum is σ = 74648298600. Its totient is φ = 74414951040.
The previous prime is 74531579981. The next prime is 74531580043. The reversal of 74531580001 is 10008513547.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 41607840400 + 32923739601 = 203980^2 + 181449^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74531580001 - 219 = 74531055713 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74531580091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1749765 + ... + 1791853.
It is an arithmetic number, because the mean of its divisors is an integer number (9331037325).
Almost surely, 274531580001 is an apocalyptic number.
It is an amenable number.
74531580001 is a deficient number, since it is larger than the sum of its proper divisors (116718599).
74531580001 is a wasteful number, since it uses less digits than its factorization.
74531580001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44819.
The product of its (nonzero) digits is 16800, while the sum is 34.
The spelling of 74531580001 in words is "seventy-four billion, five hundred thirty-one million, five hundred eighty thousand, one".
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