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2530280025525 = 352723320684897
BaseRepresentation
bin100100110100100000011…
…100010010110110110101
322221220002120021020101110
4210310200130102312311
5312424003141304100
65214221122145233
7350543461231260
oct44644034226665
98856076236343
102530280025525
118960a412366a
1234a4757b2219
131547b1aa03c5
148a6753b1cd7
1545c42100250
hex24d20712db5

2530280025525 has 48 divisors (see below), whose sum is σ = 4801544002944. Its totient is φ = 1151735009280.

The previous prime is 2530280025509. The next prime is 2530280025577. The reversal of 2530280025525 is 5255200820352.

It is not a de Polignac number, because 2530280025525 - 24 = 2530280025509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10220124 + ... + 10464773.

It is an arithmetic number, because the mean of its divisors is an integer number (100032166728).

Almost surely, 22530280025525 is an apocalyptic number.

2530280025525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530280025525 is a deficient number, since it is larger than the sum of its proper divisors (2271263977419).

2530280025525 is a wasteful number, since it uses less digits than its factorization.

2530280025525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20685150 (or 20685145 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 2530280025525 its reverse (5255200820352), we get a palindrome (7785480845877).

The spelling of 2530280025525 in words is "two trillion, five hundred thirty billion, two hundred eighty million, twenty-five thousand, five hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 233 525 699 1165 1631 3495 4893 5825 8155 17475 24465 40775 122325 20684897 62054691 103424485 144794279 310273455 434382837 517122425 723971395 1551367275 2171914185 3619856975 4819581001 10859570925 14458743003 24097905005 33737067007 72293715015 101211201021 120489525025 168685335035 361468575075 506056005105 843426675175 2530280025525