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2658260245 = 54093129893
BaseRepresentation
bin1001111001110001…
…1101010100010101
320212020222121112011
42132130131110111
520421003311440
61115435424221
7122605560604
oct23634352425
96766877464
102658260245
1111445782a3
126222b5071
13334961074
141b3089a3b
1510858c9ea
hex9e71d515

2658260245 has 8 divisors (see below), whose sum is σ = 3190716216. Its totient is φ = 2126072256.

The previous prime is 2658260221. The next prime is 2658260249. The reversal of 2658260245 is 5420628562.

It can be written as a sum of positive squares in 4 ways, for example, as 1270129 + 2656990116 = 1127^2 + 51546^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2658260245 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2658260198 and 2658260207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2658260249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44482 + ... + 85411.

It is an arithmetic number, because the mean of its divisors is an integer number (398839527).

Almost surely, 22658260245 is an apocalyptic number.

It is an amenable number.

2658260245 is a deficient number, since it is larger than the sum of its proper divisors (532455971).

2658260245 is a wasteful number, since it uses less digits than its factorization.

2658260245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133991.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 2658260245 is about 51558.3188729035. The cubic root of 2658260245 is about 1385.2638430040.

The spelling of 2658260245 in words is "two billion, six hundred fifty-eight million, two hundred sixty thousand, two hundred forty-five".

Divisors: 1 5 4093 20465 129893 649465 531652049 2658260245