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58987294129 = 2428732
BaseRepresentation
bin110110111011111010…
…101010110110110001
312122020221000000110101
4312323322222312301
51431301221403004
643033130232401
74155521504311
oct667372526661
9178227000411
1058987294129
112301a876165
12b522885701
1357409c194a
142bd8199441
1518038b1ba4
hexdbbeaadb1

58987294129 has 3 divisors (see below), whose sum is σ = 58987537003. Its totient is φ = 58987051256.

The previous prime is 58987294123. The next prime is 58987294207. The reversal of 58987294129 is 92149278985.

The square root of 58987294129 is 242873.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5233799025 + 53753495104 = 72345^2 + 231848^2 .

It is not a de Polignac number, because 58987294129 - 235 = 24627555761 is a prime.

It is a super-2 number, since 2×589872941292 (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58987294123) 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 2 ways as a sum of consecutive naturals, for example, 121437 + ... + 364309.

Almost surely, 258987294129 is an apocalyptic number.

58987294129 is the 242873-rd square number.

58987294129 is the 121437-th centered octagonal number.

It is an amenable number.

58987294129 is a deficient number, since it is larger than the sum of its proper divisors (242874).

58987294129 is an frugal number, since it uses more digits than its factorization.

58987294129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485746 (or 242873 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 64.

Multiplying 58987294129 by its sum of digits (64), we get a square (3775186824256 = 19429842).

The spelling of 58987294129 in words is "fifty-eight billion, nine hundred eighty-seven million, two hundred ninety-four thousand, one hundred twenty-nine".

Divisors: 1 242873 58987294129