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2006115125 = 5372327529
BaseRepresentation
bin111011110010010…
…1110001100110101
312011210212012121012
41313210232030311
513102031141000
6531022002005
7100466461100
oct16744561465
95153765535
102006115125
1193a443a93
1247ba16305
1325c808891
1415060b737
15bb1be735
hex7792e335

2006115125 has 24 divisors (see below), whose sum is σ = 2912396760. Its totient is φ = 1375617600.

The previous prime is 2006115079. The next prime is 2006115179. The reversal of 2006115125 is 5215116002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25331089 + 1980784036 = 5033^2 + 44506^2 .

It is not a de Polignac number, because 2006115125 - 220 = 2005066549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006115125.

It is a congruent number.

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, 157640 + ... + 169889.

It is an arithmetic number, because the mean of its divisors is an integer number (121349865).

Almost surely, 22006115125 is an apocalyptic number.

2006115125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2006115125 is a deficient number, since it is larger than the sum of its proper divisors (906281635).

2006115125 is an equidigital number, since it uses as much as digits as its factorization.

2006115125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327558 (or 327541 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 2006115125 is about 44789.6765449361. The cubic root of 2006115125 is about 1261.2038391641.

The spelling of 2006115125 in words is "two billion, six million, one hundred fifteen thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 875 1225 6125 327529 1637645 2292703 8188225 11463515 16048921 40941125 57317575 80244605 286587875 401223025 2006115125