Search a number
-
+
2803635968 = 2872368023
BaseRepresentation
bin1010011100011100…
…0001011100000000
321020101112110112012
42213013001130000
521220212322333
61142111352052
7126322340540
oct24707013400
97211473465
102803635968
111209641221
12662b22628
13358b011c3
141c84cd320
15116206e48
hexa71c1700

2803635968 has 72 divisors (see below), whose sum is σ = 6673970688. Its totient is φ = 1149299712.

The previous prime is 2803635949. The next prime is 2803635973. The reversal of 2803635968 is 8695363082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205 + ... + 75227.

Almost surely, 22803635968 is an apocalyptic number.

2803635968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2803635968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336985344).

2803635968 is an abundant number, since it is smaller than the sum of its proper divisors (3870334720).

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

2803635968 is an equidigital number, since it uses as much as digits as its factorization.

2803635968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68069 (or 68055 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 2803635968 is about 52949.3717432039. The cubic root of 2803635968 is about 1410.0695718736.

The spelling of 2803635968 in words is "two billion, eight hundred three million, six hundred thirty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 56 64 92 112 128 161 184 224 256 322 368 448 644 736 896 1288 1472 1792 2576 2944 5152 5888 10304 20608 41216 68023 136046 272092 476161 544184 952322 1088368 1564529 1904644 2176736 3129058 3809288 4353472 6258116 7618576 8706944 10951703 12516232 15237152 17413888 21903406 25032464 30474304 43806812 50064928 60948608 87613624 100129856 121897216 175227248 200259712 350454496 400519424 700908992 1401817984 2803635968