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2568435878794 = 2191811300128723
BaseRepresentation
bin100101011000000010101…
…101010100101110001010
3100002112120201020102011011
4211120002231110232022
5314040124041110134
65243531222354134
7353364143516062
oct45300255245612
910075521212134
102568435878794
119002a41049a5
12355943b8b94a
13158282a76786
148c454a943a2
1546c26c5d264
hex25602b54b8a

2568435878794 has 32 divisors (see below), whose sum is σ = 4078286372160. Its totient is φ = 1209770640000.

The previous prime is 2568435878779. The next prime is 2568435878831. The reversal of 2568435878794 is 4978785348652.

It is a self number, because there is not a number n which added to its sum of digits gives 2568435878794.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89406517 + ... + 89435239.

It is an arithmetic number, because the mean of its divisors is an integer number (127446449130).

Almost surely, 22568435878794 is an apocalyptic number.

2568435878794 is a deficient number, since it is larger than the sum of its proper divisors (1509850493366).

2568435878794 is a wasteful number, since it uses less digits than its factorization.

2568435878794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41926.

The product of its digits is 3251404800, while the sum is 76.

The spelling of 2568435878794 in words is "two trillion, five hundred sixty-eight billion, four hundred thirty-five million, eight hundred seventy-eight thousand, seven hundred ninety-four".

Divisors: 1 2 19 38 181 362 3439 6878 13001 26002 28723 57446 247019 494038 545737 1091474 2353181 4706362 5198863 10397726 44710439 89420878 98778397 197556794 373427723 746855446 7095126737 14190253474 67590417863 135180835726 1284217939397 2568435878794