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58321512509 = 136173545413
BaseRepresentation
bin110110010100001110…
…111010100000111101
312120112112012210202212
4312110032322200331
51423420301400014
642443104230205
74133155451111
oct662416724075
9176475183685
1058321512509
1122808a78617
12b37790b365
135665aa3620
142b739ab741
1517b51ed23e
hexd943ba83d

58321512509 has 8 divisors (see below), whose sum is σ = 63837419352. Its totient is φ = 52952696640.

The previous prime is 58321512497. The next prime is 58321512607. The reversal of 58321512509 is 90521512385.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1358143609 + 56963368900 = 36853^2 + 238670^2 .

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 58321512509 - 232 = 54026545213 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 (58321512409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36771914 + ... + 36773499.

It is an arithmetic number, because the mean of its divisors is an integer number (7979677419).

Almost surely, 258321512509 is an apocalyptic number.

It is an amenable number.

58321512509 is a deficient number, since it is larger than the sum of its proper divisors (5515906843).

58321512509 is a wasteful number, since it uses less digits than its factorization.

58321512509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73545487.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 58321512509 in words is "fifty-eight billion, three hundred twenty-one million, five hundred twelve thousand, five hundred nine".

Divisors: 1 13 61 793 73545413 956090369 4486270193 58321512509