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45031271005 = 571967716197
BaseRepresentation
bin101001111100000100…
…101010101001011101
311022020022021120211001
4221330010222221131
51214211001133010
632404224230301
73152626326250
oct517404525135
9138208246731
1045031271005
1118108a84456
128888a6b391
13432853c7b6
14227288d097
151288568c3a
hexa7c12aa5d

45031271005 has 16 divisors (see below), whose sum is σ = 65007550080. Its totient is φ = 29253396672.

The previous prime is 45031270997. The next prime is 45031271009. The reversal of 45031271005 is 50017213054.

It is a happy number.

45031271005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45031271005 - 23 = 45031270997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45031271009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33857434 + ... + 33858763.

It is an arithmetic number, because the mean of its divisors is an integer number (4062971880).

Almost surely, 245031271005 is an apocalyptic number.

It is an amenable number.

45031271005 is a deficient number, since it is larger than the sum of its proper divisors (19976279075).

45031271005 is a wasteful number, since it uses less digits than its factorization.

45031271005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67716228.

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 45031271005 its reverse (50017213054), we get a palindrome (95048484059).

The spelling of 45031271005 in words is "forty-five billion, thirty-one million, two hundred seventy-one thousand, five".

Divisors: 1 5 7 19 35 95 133 665 67716197 338580985 474013379 1286607743 2370066895 6433038715 9006254201 45031271005