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2268756678656 = 2111385214719
BaseRepresentation
bin100001000000111100011…
…011111001100000000000
322000220001112221201002102
4201000330123321200000
5244132403202204111
64454130305205532
7322624622403116
oct41007433714000
98026045851072
102268756678656
117a51a0aa9356
1230784a0308a8
13135c34549190
147bb463bbab6
153e03781b13b
hex2103c6f9800

2268756678656 has 48 divisors (see below), whose sum is σ = 4885359897600. Its totient is φ = 1047118454784.

The previous prime is 2268756678623. The next prime is 2268756678659. The reversal of 2268756678656 is 6568766578622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268756678659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42580736 + ... + 42633983.

It is an arithmetic number, because the mean of its divisors is an integer number (101778331200).

Almost surely, 22268756678656 is an apocalyptic number.

2268756678656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2268756678656 is an abundant number, since it is smaller than the sum of its proper divisors (2616603218944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2268756678656 is an equidigital number, since it uses as much as digits as its factorization.

2268756678656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85214754 (or 85214734 counting only the distinct ones).

The product of its digits is 2438553600, while the sum is 74.

The spelling of 2268756678656 in words is "two trillion, two hundred sixty-eight billion, seven hundred fifty-six million, six hundred seventy-eight thousand, six hundred fifty-six".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 512 832 1024 1664 2048 3328 6656 13312 26624 85214719 170429438 340858876 681717752 1107791347 1363435504 2215582694 2726871008 4431165388 5453742016 8862330776 10907484032 17724661552 21814968064 35449323104 43629936128 70898646208 87259872256 141797292416 174519744512 283594584832 567189169664 1134378339328 2268756678656