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74531580001 = 1061166942089
BaseRepresentation
bin100010101101001101…
…1011010100001100001
321010101020022112222221
41011122123122201201
52210120041030001
654123410231041
75245650656104
oct1053233324141
9233336275887
1074531580001
112967715220a
1212540585481
13704a22a338
1438707c273b
151e1338b1a1
hex115a6da861

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".

Divisors: 1 1061 1669 42089 1770809 44656429 70246541 74531580001