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74431045201 = 591261543139
BaseRepresentation
bin100010101010001101…
…1111001111001010001
321010010020010212011211
41011110123321321101
52204413321421301
654105415340121
75243320305532
oct1052433717121
9233106125154
1074431045201
11296254259a7
1212512981641
13703245a2a6
1438612d2689
151e0962d051
hex11546f9e51

74431045201 has 4 divisors (see below), whose sum is σ = 75692588400. Its totient is φ = 73169502004.

The previous prime is 74431045187. The next prime is 74431045219. The reversal of 74431045201 is 10254013447.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10254013447 = 43238465429.

It is a cyclic number.

It is not a de Polignac number, because 74431045201 - 221 = 74428948049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74431055201) 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 3 ways as a sum of consecutive naturals, for example, 630771511 + ... + 630771628.

It is an arithmetic number, because the mean of its divisors is an integer number (18923147100).

Almost surely, 274431045201 is an apocalyptic number.

It is an amenable number.

74431045201 is a deficient number, since it is larger than the sum of its proper divisors (1261543199).

74431045201 is a wasteful number, since it uses less digits than its factorization.

74431045201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261543198.

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 74431045201 its reverse (10254013447), we get a palindrome (84685058648).

The spelling of 74431045201 in words is "seventy-four billion, four hundred thirty-one million, forty-five thousand, two hundred one".

Divisors: 1 59 1261543139 74431045201