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2075812520 = 23551895313
BaseRepresentation
bin111101110111010…
…0110001010101000
312100200000012110012
41323232212022220
513222402000040
6541551511052
7102304054355
oct17356461250
95320005405
102075812520
11975818741
1249b228488
1327109c742
1415999162c
15c238a865
hex7bba62a8

2075812520 has 16 divisors (see below), whose sum is σ = 4670578260. Its totient is φ = 830324992.

The previous prime is 2075812471. The next prime is 2075812577. The reversal of 2075812520 is 252185702.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2067157156 + 8655364 = 45466^2 + 2942^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25947617 + ... + 25947696.

Almost surely, 22075812520 is an apocalyptic number.

2075812520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2075812520 is an abundant number, since it is smaller than the sum of its proper divisors (2594765740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2075812520 is a wasteful number, since it uses less digits than its factorization.

2075812520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51895324 (or 51895320 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2075812520 is about 45561.0855884712. The cubic root of 2075812520 is about 1275.6436621878.

The spelling of 2075812520 in words is "two billion, seventy-five million, eight hundred twelve thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 51895313 103790626 207581252 259476565 415162504 518953130 1037906260 2075812520