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58497279485 = 5101197617953
BaseRepresentation
bin110110011110101101…
…011010010111111101
312120222202221200201212
4312132231122113331
51424300300420420
642512343414205
74140421446221
oct663655322775
9176882850655
1058497279485
1122899209987
12b406754365
135693324858
142b8d082781
1517c586c3c5
hexd9eb5a5fd

58497279485 has 32 divisors (see below), whose sum is σ = 71441976672. Its totient is φ = 45976268800.

The previous prime is 58497279481. The next prime is 58497279493.

58497279485 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 2272333561 + 56224945924 = 47669^2 + 237118^2 .

It is not a de Polignac number, because 58497279485 - 22 = 58497279481 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 (58497279481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61381769 + ... + 61382721.

It is an arithmetic number, because the mean of its divisors is an integer number (2232561771).

Almost surely, 258497279485 is an apocalyptic number.

It is an amenable number.

58497279485 is a deficient number, since it is larger than the sum of its proper divisors (12944697187).

58497279485 is a wasteful number, since it uses less digits than its factorization.

58497279485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873.

The product of its digits is 203212800, while the sum is 68.

The spelling of 58497279485 in words is "fifty-eight billion, four hundred ninety-seven million, two hundred seventy-nine thousand, four hundred eighty-five".

Divisors: 1 5 101 197 505 617 953 985 3085 4765 19897 62317 96253 99485 121549 187741 311585 481265 588001 607745 938705 2940005 12276449 18961841 59388101 61382245 94809205 115836197 296940505 579180985 11699455897 58497279485