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74321230201 = 557133431293
BaseRepresentation
bin100010100110111100…
…0111111100101111001
321002211120111200022121
41011031320333211321
52204202213331301
654050453521241
75240515014301
oct1051570774571
9232746450277
1074321230201
11295794402a9
12124a2043221
13701578b1ba
1438508a8601
151deeb8a3a1
hex114de3f979

74321230201 has 4 divisors (see below), whose sum is σ = 74454662052. Its totient is φ = 74187798352.

The previous prime is 74321230141. The next prime is 74321230211. The reversal of 74321230201 is 10203212347.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11723692176 + 62597538025 = 108276^2 + 250195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74321230201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74321230211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66715090 + ... + 66716203.

It is an arithmetic number, because the mean of its divisors is an integer number (18613665513).

Almost surely, 274321230201 is an apocalyptic number.

It is an amenable number.

74321230201 is a deficient number, since it is larger than the sum of its proper divisors (133431851).

74321230201 is a wasteful number, since it uses less digits than its factorization.

74321230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133431850.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 74321230201 its reverse (10203212347), we get a palindrome (84524442548).

The spelling of 74321230201 in words is "seventy-four billion, three hundred twenty-one million, two hundred thirty thousand, two hundred one".

Divisors: 1 557 133431293 74321230201