Search a number
-
+
2966642987 = 711172266343
BaseRepresentation
bin1011000011010011…
…0110000100101011
321122202021002010012
42300310312010223
522033430033422
61210213242135
7133342022630
oct26064660453
97582232105
102966642987
111292657870
126a963334b
13383805569
14202002187
151256a54e2
hexb0d3612b

2966642987 has 16 divisors (see below), whose sum is σ = 3916242432. Its totient is φ = 2175688320.

The previous prime is 2966642983. The next prime is 2966642989. The reversal of 2966642987 is 7892466692.

It is a cyclic number.

It is not a de Polignac number, because 2966642987 - 22 = 2966642983 is a prime.

It is a super-2 number, since 2×29666429872 = 17601941224632564338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2966642983) 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, 1131863 + ... + 1134480.

It is an arithmetic number, because the mean of its divisors is an integer number (244765152).

Almost surely, 22966642987 is an apocalyptic number.

2966642987 is a deficient number, since it is larger than the sum of its proper divisors (949599445).

2966642987 is a wasteful number, since it uses less digits than its factorization.

2966642987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266378.

The product of its digits is 15676416, while the sum is 59.

The square root of 2966642987 is about 54466.8980849837. The cubic root of 2966642987 is about 1436.8841752052.

The spelling of 2966642987 in words is "two billion, nine hundred sixty-six million, six hundred forty-two thousand, nine hundred eighty-seven".

Divisors: 1 7 11 17 77 119 187 1309 2266343 15864401 24929773 38527831 174508411 269694817 423806141 2966642987