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2750252525 = 52110010101
BaseRepresentation
bin1010001111101101…
…1000010111101101
321002200002022012122
42203323120113231
521113031040100
61132523242325
7125103521636
oct24373302755
97080068178
102750252525
11119149a479
126490793a5
1334aa2ca77
141c139488d
151116ae985
hexa3ed85ed

2750252525 has 6 divisors (see below), whose sum is σ = 3410313162. Its totient is φ = 2200202000.

The previous prime is 2750252459. The next prime is 2750252563. The reversal of 2750252525 is 5252520572.

It can be written as a sum of positive squares in 3 ways, for example, as 20921476 + 2729331049 = 4574^2 + 52243^2 .

It is not a de Polignac number, because 2750252525 - 28 = 2750252269 is a prime.

It is a Duffinian number.

2750252525 is a modest number, since divided by 252525 gives 2750 as remainder.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 55005026 + ... + 55005075.

It is an arithmetic number, because the mean of its divisors is an integer number (568385527).

Almost surely, 22750252525 is an apocalyptic number.

2750252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2750252525 is a deficient number, since it is larger than the sum of its proper divisors (660060637).

2750252525 is a wasteful number, since it uses less digits than its factorization.

2750252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010111 (or 110010106 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 2750252525 is about 52442.8500846398. The cubic root of 2750252525 is about 1401.0625479534.

The spelling of 2750252525 in words is "two billion, seven hundred fifty million, two hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 110010101 550050505 2750252525