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75440424211 = 193823474949
BaseRepresentation
bin100011001000010011…
…0011000010100010011
321012201120110121212121
41012100212120110103
52214000222033321
654353514035111
75310325011505
oct1062046302423
9235646417777
1075440424211
1129aa3175329
1212754a18a97
1371635cc489
1439193a1d75
151e68063441
hex1190998513

75440424211 has 8 divisors (see below), whose sum is σ = 75923607200. Its totient is φ = 74958193152.

The previous prime is 75440424181. The next prime is 75440424229. The reversal of 75440424211 is 11242404457.

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 75440424211 - 221 = 75438327059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75440424011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78636 + ... + 396313.

It is an arithmetic number, because the mean of its divisors is an integer number (9490450900).

Almost surely, 275440424211 is an apocalyptic number.

75440424211 is a deficient number, since it is larger than the sum of its proper divisors (483182989).

75440424211 is a wasteful number, since it uses less digits than its factorization.

75440424211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475965.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 75440424211 its reverse (11242404457), we get a palindrome (86682828668).

The spelling of 75440424211 in words is "seventy-five billion, four hundred forty million, four hundred twenty-four thousand, two hundred eleven".

Divisors: 1 193 823 158839 474949 91665157 390883027 75440424211