Search a number
-
+
3123132212 = 221547350461
BaseRepresentation
bin1011101000100111…
…0011011100110100
322001122201112222102
42322021303130310
522344010212322
61233523321232
7140252120504
oct27211633464
98048645872
103123132212
111362a21502
12731b20218
133aa067035
14218ad9a04
151342b7792
hexba273734

3123132212 has 12 divisors (see below), whose sum is σ = 5465942916. Its totient is φ = 1561434240.

The previous prime is 3123132193. The next prime is 3123132241. The reversal of 3123132212 is 2122313213.

It can be written as a sum of positive squares in 2 ways, for example, as 1961958436 + 1161173776 = 44294^2 + 34076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36662 + ... + 87122.

It is an arithmetic number, because the mean of its divisors is an integer number (455495243).

Almost surely, 23123132212 is an apocalyptic number.

It is an amenable number.

3123132212 is a deficient number, since it is larger than the sum of its proper divisors (2342810704).

3123132212 is a wasteful number, since it uses less digits than its factorization.

3123132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65938 (or 65936 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3123132212 is about 55884.9909367444. The cubic root of 3123132212 is about 1461.7175339762.

Adding to 3123132212 its reverse (2122313213), we get a palindrome (5245445425).

The spelling of 3123132212 in words is "three billion, one hundred twenty-three million, one hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 15473 30946 50461 61892 100922 201844 780783053 1561566106 3123132212