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41520132013 = 231805223131
BaseRepresentation
bin100110101010110010…
…101110111110101101
310222011121110020121011
4212222302232332231
51140013123211023
631024000305221
72666623204363
oct465262567655
9128147406534
1041520132013
1116677039798
128069012211
133bb8ca3069
14201c431633
1511301ab50d
hex9aacaefad

41520132013 has 4 divisors (see below), whose sum is σ = 43325355168. Its totient is φ = 39714908860.

The previous prime is 41520132011. The next prime is 41520132023. The reversal of 41520132013 is 31023102514.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31023102514 = 215511551257.

It is a cyclic number.

It is not a de Polignac number, because 41520132013 - 21 = 41520132011 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 (41520132011) 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, 902611543 + ... + 902611588.

It is an arithmetic number, because the mean of its divisors is an integer number (10831338792).

Almost surely, 241520132013 is an apocalyptic number.

It is an amenable number.

41520132013 is a deficient number, since it is larger than the sum of its proper divisors (1805223155).

41520132013 is a wasteful number, since it uses less digits than its factorization.

41520132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805223154.

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

Adding to 41520132013 its reverse (31023102514), we get a palindrome (72543234527).

The spelling of 41520132013 in words is "forty-one billion, five hundred twenty million, one hundred thirty-two thousand, thirteen".

Divisors: 1 23 1805223131 41520132013