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2163700505 = 52371264997
BaseRepresentation
bin1000000011110111…
…0111001100011001
312120210101101002202
42000331313030121
513412401404010
6554411335545
7104422102511
oct20075671431
95523341082
102163700505
11a1039723a
125047515b5
13286362275
1416750c841
15c9e4b6a5
hex80f77319

2163700505 has 16 divisors (see below), whose sum is σ = 2747499264. Its totient is φ = 1632375360.

The previous prime is 2163700501. The next prime is 2163700519. The reversal of 2163700505 is 5050073612.

2163700505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2163700505 - 22 = 2163700501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163700501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124334 + ... + 140663.

It is an arithmetic number, because the mean of its divisors is an integer number (171718704).

Almost surely, 22163700505 is an apocalyptic number.

It is an amenable number.

2163700505 is a deficient number, since it is larger than the sum of its proper divisors (583798759).

2163700505 is a wasteful number, since it uses less digits than its factorization.

2163700505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265096.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 2163700505 is about 46515.5942131238. The cubic root of 2163700505 is about 1293.3985869685.

The spelling of 2163700505 in words is "two billion, one hundred sixty-three million, seven hundred thousand, five hundred five".

Divisors: 1 5 23 71 115 355 1633 8165 264997 1324985 6094931 18814787 30474655 94073935 432740101 2163700505