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58691825001481 = 7210944372
BaseRepresentation
bin11010101100001010000010…
…11000010110010000001001
321200210212212012100010000011
431112011001120112100021
530143101324200021411
6324454352512111521
715235226065056100
oct1526050130262011
9250725765303004
1058691825001481
11177790771365a1
1266baa515355a1
1326997ccbcb729
14106c9b156d037
156bba98115c21
hex356141616409

58691825001481 has 9 divisors (see below), whose sum is σ = 68274226160199. Its totient is φ = 50307232606344.

The previous prime is 58691825001449. The next prime is 58691825001499. The reversal of 58691825001481 is 18410052819685.

The square root of 58691825001481 is 7661059.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 53394075765625 + 5297749235856 = 7307125^2 + 2301684^2 .

It is not a de Polignac number, because 58691825001481 - 25 = 58691825001449 is a prime.

It is a super-2 number, since 2×586918250014812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58691825061481) 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 8 ways as a sum of consecutive naturals, for example, 53080195 + ... + 54174631.

It is an arithmetic number, because the mean of its divisors is an integer number (7586025128911).

Almost surely, 258691825001481 is an apocalyptic number.

58691825001481 is the 7661059-th square number.

58691825001481 is the 3830530-th centered octagonal number.

It is an amenable number.

58691825001481 is a deficient number, since it is larger than the sum of its proper divisors (9582401158718).

58691825001481 is an frugal number, since it uses more digits than its factorization.

58691825001481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188888 (or 1094444 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 58.

The spelling of 58691825001481 in words is "fifty-eight trillion, six hundred ninety-one billion, eight hundred twenty-five million, one thousand, four hundred eighty-one".

Divisors: 1 7 49 1094437 7661059 53627413 1197792346969 8384546428783 58691825001481