Search a number
-
+
6600662145 = 32571111811613
BaseRepresentation
bin1100010010110111…
…00001110010000001
3122001000022101020100
412021123201302001
5102004232142040
63010551033013
7322366462650
oct61133416201
918030271210
106600662145
1128879a1190
12134266b769
13812666b5c
144688c9197
15289736b30
hex1896e1c81

6600662145 has 96 divisors (see below), whose sum is σ = 14285217024. Its totient is φ = 2739110400.

The previous prime is 6600662143. The next prime is 6600662147. The reversal of 6600662145 is 5412660066.

It is a happy number.

6600662145 is a `hidden beast` number, since 6 + 600 + 6 + 6 + 2 + 1 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (6600662143) and next prime (6600662147).

It is not a de Polignac number, because 6600662145 - 21 = 6600662143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6600662143) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4091359 + ... + 4092971.

It is an arithmetic number, because the mean of its divisors is an integer number (148804344).

Almost surely, 26600662145 is an apocalyptic number.

It is an amenable number.

6600662145 is an abundant number, since it is smaller than the sum of its proper divisors (7684554879).

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

6600662145 is a wasteful number, since it uses less digits than its factorization.

6600662145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6600662145 is about 81244.4591649178. The cubic root of 6600662145 is about 1875.8401823937.

The spelling of 6600662145 in words is "six billion, six hundred million, six hundred sixty-two thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 45 55 63 77 99 105 165 231 315 385 495 693 1155 1181 1613 3465 3543 4839 5905 8065 8267 10629 11291 12991 14517 17715 17743 24195 24801 33873 38973 41335 53145 53229 56455 64955 72585 74403 88715 90937 101619 116919 124005 124201 159687 169365 194865 266145 272811 372015 372603 454685 508095 584595 621005 798435 818433 1117809 1364055 1863015 1904953 4092165 5589045 5714859 9524765 13334671 17144577 20954483 28574295 40004013 62863449 66673355 85722885 104772415 120012039 146681381 188590347 200020065 314317245 440044143 600060195 733406905 942951735 1320132429 2200220715 6600662145