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45130212013 = 231962183131
BaseRepresentation
bin101010000001111110…
…000110001010101101
311022111012110022100211
4222001332012022231
51214411313241023
632422121022421
73155240321065
oct520176061255
9138435408324
1045130212013
1118159912287
1288b6024a11
134342ba2283
142281a863a5
1512920aea0d
hexa81f862ad

45130212013 has 4 divisors (see below), whose sum is σ = 47092395168. Its totient is φ = 43168028860.

The previous prime is 45130212007. The next prime is 45130212041. The reversal of 45130212013 is 31021203154.

It is a happy number.

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.

It is a de Polignac number, because none of the positive numbers 2k-45130212013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45130212713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981091543 + ... + 981091588.

It is an arithmetic number, because the mean of its divisors is an integer number (11773098792).

Almost surely, 245130212013 is an apocalyptic number.

It is an amenable number.

45130212013 is a deficient number, since it is larger than the sum of its proper divisors (1962183155).

45130212013 is a wasteful number, since it uses less digits than its factorization.

45130212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962183154.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 45130212013 its reverse (31021203154), we get a palindrome (76151415167).

The spelling of 45130212013 in words is "forty-five billion, one hundred thirty million, two hundred twelve thousand, thirteen".

Divisors: 1 23 1962183131 45130212013