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58361825421 = 3237541323957
BaseRepresentation
bin110110010110101000…
…101100100010001101
312120122100001220200200
4312112220230202031
51424011111403141
642451104244113
74134155221344
oct662650544215
9176570056620
1058361825421
1122829802279
12b389310639
135671249713
142b790a2b5b
1517b8a12ab6
hexd96a2c88d

58361825421 has 24 divisors (see below), whose sum is σ = 86739106584. Its totient is φ = 37786227840.

The previous prime is 58361825393. The next prime is 58361825441. The reversal of 58361825421 is 12452816385.

58361825421 is a `hidden beast` number, since 5 + 8 + 3 + 618 + 2 + 5 + 4 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37873052100 + 20488773321 = 194610^2 + 143139^2 .

It is not a de Polignac number, because 58361825421 - 210 = 58361824397 is a prime.

It is a super-2 number, since 2×583618254212 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58361825441) 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 23 ways as a sum of consecutive naturals, for example, 18175 + ... + 342131.

It is an arithmetic number, because the mean of its divisors is an integer number (3614129441).

Almost surely, 258361825421 is an apocalyptic number.

It is an amenable number.

58361825421 is a deficient number, since it is larger than the sum of its proper divisors (28377281163).

58361825421 is a wasteful number, since it uses less digits than its factorization.

58361825421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324541 (or 324538 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 58361825421 in words is "fifty-eight billion, three hundred sixty-one million, eight hundred twenty-five thousand, four hundred twenty-one".

Divisors: 1 3 9 37 111 333 541 1623 4869 20017 60051 180153 323957 971871 2915613 11986409 35959227 107877681 175260737 525782211 1577346633 6484647269 19453941807 58361825421