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2125305317 = 23301130689
BaseRepresentation
bin111111010101101…
…1001010111100101
312111010010200210202
41332223121113211
513323034232232
6550520400245
7103444540262
oct17653312745
95433120722
102125305317
119a0752383
124b3916085
1327b40b015
14162396269
15c68b5162
hex7ead95e5

2125305317 has 8 divisors (see below), whose sum is σ = 2218518720. Its totient is φ = 2032159360.

The previous prime is 2125305289. The next prime is 2125305319. The reversal of 2125305317 is 7135035212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125305317 - 214 = 2125288933 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 2125305317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125305319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53909 + ... + 84597.

It is an arithmetic number, because the mean of its divisors is an integer number (277314840).

Almost surely, 22125305317 is an apocalyptic number.

It is an amenable number.

2125305317 is a deficient number, since it is larger than the sum of its proper divisors (93213403).

2125305317 is a wasteful number, since it uses less digits than its factorization.

2125305317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33723.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2125305317 is about 46101.0337953500. The cubic root of 2125305317 is about 1285.7023653986.

The spelling of 2125305317 in words is "two billion, one hundred twenty-five million, three hundred five thousand, three hundred seventeen".

Divisors: 1 23 3011 30689 69253 705847 92404579 2125305317