Search a number
-
+
2163154086 = 23417785459
BaseRepresentation
bin1000000011101111…
…0001110010100110
312120202100121120000
42000323301302212
513412231412321
6554351522130
7104414335452
oct20073616246
95522317500
102163154086
11a10053755
12504529346
13286200642
14167409662
15c9d8e826
hex80ef1ca6

2163154086 has 40 divisors (see below), whose sum is σ = 5132195640. Its totient is φ = 678635712.

The previous prime is 2163154073. The next prime is 2163154093. The reversal of 2163154086 is 6804513612.

It is a happy number.

2163154086 is a `hidden beast` number, since 2 + 1 + 6 + 31 + 540 + 86 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2163154086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 389976 + ... + 395483.

It is an arithmetic number, because the mean of its divisors is an integer number (128304891).

Almost surely, 22163154086 is an apocalyptic number.

2163154086 is an abundant number, since it is smaller than the sum of its proper divisors (2969041554).

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

2163154086 is a wasteful number, since it uses less digits than its factorization.

2163154086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785490 (or 785481 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2163154086 is about 46509.7203388711. The cubic root of 2163154086 is about 1293.2896998925.

Adding to 2163154086 its reverse (6804513612), we get a palindrome (8967667698).

The spelling of 2163154086 in words is "two billion, one hundred sixty-three million, one hundred fifty-four thousand, eighty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 81 102 153 162 306 459 918 1377 2754 785459 1570918 2356377 4712754 7069131 13352803 14138262 21207393 26705606 40058409 42414786 63622179 80116818 120175227 127244358 240350454 360525681 721051362 1081577043 2163154086