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2113152125 = 5372415031
BaseRepresentation
bin111110111110100…
…0010010001111101
312110021021020202112
41331331002101331
513311431332000
6545404103405
7103236332240
oct17575022175
95407236675
102113152125
11994901517
124ab834b65
13278a44396
14160911257
15c57b4235
hex7df4247d

2113152125 has 16 divisors (see below), whose sum is σ = 3013959936. Its totient is φ = 1449018000.

The previous prime is 2113152113. The next prime is 2113152133. The reversal of 2113152125 is 5212513112.

It is not a de Polignac number, because 2113152125 - 218 = 2112889981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113152125.

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 15 ways as a sum of consecutive naturals, for example, 1206641 + ... + 1208390.

It is an arithmetic number, because the mean of its divisors is an integer number (188372496).

Almost surely, 22113152125 is an apocalyptic number.

2113152125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2113152125 is a deficient number, since it is larger than the sum of its proper divisors (900807811).

2113152125 is an equidigital number, since it uses as much as digits as its factorization.

2113152125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415053 (or 2415043 counting only the distinct ones).

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

The square root of 2113152125 is about 45969.0344144838. The cubic root of 2113152125 is about 1283.2469901243.

Adding to 2113152125 its reverse (5212513112), we get a palindrome (7325665237).

The spelling of 2113152125 in words is "two billion, one hundred thirteen million, one hundred fifty-two thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 125 175 875 2415031 12075155 16905217 60375775 84526085 301878875 422630425 2113152125