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2066115625 = 5572103131
BaseRepresentation
bin111101100100110…
…0110110000101001
312022222202112210221
41323021212300221
513212411200000
6541004010041
7102125456500
oct17311466051
95288675727
102066115625
119702a5282
12497b30921
1326c085b32
14158589837
15c15c261a
hex7b266c29

2066115625 has 72 divisors (see below), whose sum is σ = 3056429376. Its totient is φ = 1392300000.

The previous prime is 2066115619. The next prime is 2066115647. The reversal of 2066115625 is 5265116602.

It is not a de Polignac number, because 2066115625 - 25 = 2066115593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15771810 + ... + 15771940.

It is an arithmetic number, because the mean of its divisors is an integer number (42450408).

Almost surely, 22066115625 is an apocalyptic number.

2066115625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2066115625 is a deficient number, since it is larger than the sum of its proper divisors (990313751).

2066115625 is an equidigital number, since it uses as much as digits as its factorization.

2066115625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 2066115625 is about 45454.5446022727. The cubic root of 2066115625 is about 1273.6542252863.

The spelling of 2066115625 in words is "two billion, sixty-six million, one hundred fifteen thousand, six hundred twenty-five".

Divisors: 1 5 7 25 35 49 103 125 131 175 245 515 625 655 721 875 917 1225 2575 3125 3275 3605 4375 4585 5047 6125 6419 12875 13493 16375 18025 21875 22925 25235 30625 32095 64375 67465 81875 90125 94451 114625 126175 153125 160475 321875 337325 409375 450625 472255 573125 630875 661157 802375 1686625 2253125 2361275 2865625 3154375 3305785 4011875 8433125 11806375 15771875 16528925 20059375 42165625 59031875 82644625 295159375 413223125 2066115625