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58944454561 = 101583608461
BaseRepresentation
bin110110111001010111…
…001111111110100001
312122010221101112121201
4312321113033332201
51431204240021221
643025000121201
74154461411516
oct667127177641
9178127345551
1058944454561
1122aa8676163
12b510466201
135734b727a5
142bd260730d
1517eec4d891
hexdb95cffa1

58944454561 has 4 divisors (see below), whose sum is σ = 59528063124. Its totient is φ = 58360846000.

The previous prime is 58944454483. The next prime is 58944454577. The reversal of 58944454561 is 16545444985.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16545444985 = 53309088997.

It can be written as a sum of positive squares in 2 ways, for example, as 29367334161 + 29577120400 = 171369^2 + 171980^2 .

It is a cyclic number.

It is not a de Polignac number, because 58944454561 - 213 = 58944446369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58944154561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291804130 + ... + 291804331.

It is an arithmetic number, because the mean of its divisors is an integer number (14882015781).

Almost surely, 258944454561 is an apocalyptic number.

It is an amenable number.

58944454561 is a deficient number, since it is larger than the sum of its proper divisors (583608563).

58944454561 is a wasteful number, since it uses less digits than its factorization.

58944454561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583608562.

The product of its digits is 13824000, while the sum is 55.

The spelling of 58944454561 in words is "fifty-eight billion, nine hundred forty-four million, four hundred fifty-four thousand, five hundred sixty-one".

Divisors: 1 101 583608461 58944454561