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75334021201 = 292597724869
BaseRepresentation
bin100011000101001000…
…0011111000001010001
321012110011020210101101
41012022100133001101
52213241002134301
654335153304401
75304563420605
oct1061220370121
9235404223341
1075334021201
1129a4910015a
1212725265101
13714755640a
1439091c5505
151e5da46701
hex118a41f051

75334021201 has 4 divisors (see below), whose sum is σ = 77931746100. Its totient is φ = 72736296304.

The previous prime is 75334021193. The next prime is 75334021207. The reversal of 75334021201 is 10212043357.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10212043357 = 18715458067.

It can be written as a sum of positive squares in 2 ways, for example, as 63101440000 + 12232581201 = 251200^2 + 110601^2 .

It is a cyclic number.

It is not a de Polignac number, because 75334021201 - 23 = 75334021193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75334021201.

It is not an unprimeable number, because it can be changed into a prime (75334021207) 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, 1298862406 + ... + 1298862463.

It is an arithmetic number, because the mean of its divisors is an integer number (19482936525).

Almost surely, 275334021201 is an apocalyptic number.

It is an amenable number.

75334021201 is a deficient number, since it is larger than the sum of its proper divisors (2597724899).

75334021201 is a wasteful number, since it uses less digits than its factorization.

75334021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597724898.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 75334021201 its reverse (10212043357), we get a palindrome (85546064558).

The spelling of 75334021201 in words is "seventy-five billion, three hundred thirty-four million, twenty-one thousand, two hundred one".

Divisors: 1 29 2597724869 75334021201