Search a number
-
+
2163775348 = 22777277691
BaseRepresentation
bin1000000011111000…
…1001011101110100
312120210112011202201
42000332021131310
513412411302343
6554413114244
7104422533640
oct20076113564
95523464681
102163775348
11a10438499
12504788984
1328638a357
1416752bc20
15c9e6394d
hex80f89774

2163775348 has 12 divisors (see below), whose sum is σ = 4327550752. Its totient is φ = 927332280.

The previous prime is 2163775343. The next prime is 2163775349. The reversal of 2163775348 is 8435773612.

It is a happy number.

2163775348 is an admirable number.

It is a super-2 number, since 2×21637753482 = 9363847513225042208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2163775298 and 2163775307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163775343) 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, 38638818 + ... + 38638873.

Almost surely, 22163775348 is an apocalyptic number.

2163775348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2163775348 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2163775348 is a wasteful number, since it uses less digits than its factorization.

2163775348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77277702 (or 77277700 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 2163775348 is about 46516.3986998134. The cubic root of 2163775348 is about 1293.4134998017.

The spelling of 2163775348 in words is "two billion, one hundred sixty-three million, seven hundred seventy-five thousand, three hundred forty-eight".

Divisors: 1 2 4 7 14 28 77277691 154555382 309110764 540943837 1081887674 2163775348