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74425252447 = 7213116837131
BaseRepresentation
bin100010101010000010…
…1110011101001011111
321010002211020120000101
41011110011303221133
52204410331034242
654105051241531
75243220131200
oct1052405635137
9233084216011
1074425252447
11296221297a7
1212510a492a7
1370311ac720
1438606255a7
151e08d869b7
hex1154173a5f

74425252447 has 12 divisors (see below), whose sum is σ = 93236031336. Its totient is φ = 58885913520.

The previous prime is 74425252439. The next prime is 74425252453.

74425252447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74425252447 - 23 = 74425252439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74425252397 and 74425252406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74425252417) 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 11 ways as a sum of consecutive naturals, for example, 58417929 + ... + 58419202.

It is an arithmetic number, because the mean of its divisors is an integer number (7769669278).

Almost surely, 274425252447 is an apocalyptic number.

74425252447 is a deficient number, since it is larger than the sum of its proper divisors (18810778889).

74425252447 is a wasteful number, since it uses less digits than its factorization.

74425252447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116837158 (or 116837151 counting only the distinct ones).

The product of its digits is 2508800, while the sum is 46.

The spelling of 74425252447 in words is "seventy-four billion, four hundred twenty-five million, two hundred fifty-two thousand, four hundred forty-seven".

Divisors: 1 7 13 49 91 637 116837131 817859917 1518882703 5725019419 10632178921 74425252447