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2668948265 = 51697314549
BaseRepresentation
bin1001111100010100…
…1110101100101001
320220000002121201202
42133011032230221
520431222321030
61120500453545
7123065454164
oct23705165451
96800077652
102668948265
11114a608375
126259aa2b5
13336c33b39
141b466cadb
1510949e745
hex9f14eb29

2668948265 has 8 divisors (see below), whose sum is σ = 3204635400. Its totient is φ = 2133893632.

The previous prime is 2668948237. The next prime is 2668948277. The reversal of 2668948265 is 5628498662.

It can be written as a sum of positive squares in 4 ways, for example, as 892157161 + 1776791104 = 29869^2 + 42152^2 .

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 2668948265 - 212 = 2668944169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2668948265.

It is an unprimeable number.

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, 148790 + ... + 165759.

It is an arithmetic number, because the mean of its divisors is an integer number (400579425).

Almost surely, 22668948265 is an apocalyptic number.

It is an amenable number.

2668948265 is a deficient number, since it is larger than the sum of its proper divisors (535687135).

2668948265 is a wasteful number, since it uses less digits than its factorization.

2668948265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316251.

The product of its digits is 9953280, while the sum is 56.

The square root of 2668948265 is about 51661.8647069577. The cubic root of 2668948265 is about 1387.1179289423.

The spelling of 2668948265 in words is "two billion, six hundred sixty-eight million, nine hundred forty-eight thousand, two hundred sixty-five".

Divisors: 1 5 1697 8485 314549 1572745 533789653 2668948265