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82580258025 = 3352122341123
BaseRepresentation
bin100110011101000101…
…0101011110011101001
321220011011022202121000
41030322022223303221
52323111021224100
6101534205305213
75652262416516
oct1147212536351
9256134282530
1082580258025
1132027448131
1214007b65209
137a30884c05
143dd571c30d
152234c9e900
hex133a2abce9

82580258025 has 24 divisors (see below), whose sum is σ = 151702993760. Its totient is φ = 44042803920.

The previous prime is 82580257999. The next prime is 82580258039. The reversal of 82580258025 is 52085208528.

It is not a de Polignac number, because 82580258025 - 25 = 82580257993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61169887 + ... + 61171236.

Almost surely, 282580258025 is an apocalyptic number.

It is an amenable number.

82580258025 is a deficient number, since it is larger than the sum of its proper divisors (69122735735).

82580258025 is a wasteful number, since it uses less digits than its factorization.

82580258025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122341142 (or 122341131 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 45.

The spelling of 82580258025 in words is "eighty-two billion, five hundred eighty million, two hundred fifty-eight thousand, twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 135 225 675 122341123 367023369 611705615 1101070107 1835116845 3058528075 3303210321 5505350535 9175584225 16516051605 27526752675 82580258025