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2124512245 = 53251130699
BaseRepresentation
bin111111010100001…
…0111101111110101
312111001122101220201
41332220113233311
513322333342440
6550451400501
7103435025152
oct17650275765
95431571821
102124512245
119a0260549
124b35b3131
1327b1c104b
1416222b229
15c67aa19a
hex7ea17bf5

2124512245 has 8 divisors (see below), whose sum is σ = 2550218400. Its totient is φ = 1699074000.

The previous prime is 2124512237. The next prime is 2124512311. The reversal of 2124512245 is 5422154212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2124512245 - 23 = 2124512237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49095 + ... + 81604.

It is an arithmetic number, because the mean of its divisors is an integer number (318777300).

Almost surely, 22124512245 is an apocalyptic number.

It is an amenable number.

2124512245 is a deficient number, since it is larger than the sum of its proper divisors (425706155).

2124512245 is a wasteful number, since it uses less digits than its factorization.

2124512245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133955.

The product of its digits is 6400, while the sum is 28.

The square root of 2124512245 is about 46092.4315370756. The cubic root of 2124512245 is about 1285.5424226687.

Adding to 2124512245 its reverse (5422154212), we get a palindrome (7546666457).

The spelling of 2124512245 in words is "two billion, one hundred twenty-four million, five hundred twelve thousand, two hundred forty-five".

Divisors: 1 5 3251 16255 130699 653495 424902449 2124512245