Search a number
-
+
3213142444 = 226229128959
BaseRepresentation
bin1011111110000100…
…1010100110101100
322021221002112210201
42333201022212230
523040031024234
61250500443244
7142424155141
oct27741124654
98257075721
103213142444
1113a980a526
127580a9524
133c28c0825
14226a4a3c8
1513c147314
hexbf84a9ac

3213142444 has 12 divisors (see below), whose sum is σ = 5623945600. Its totient is φ = 1606300848.

The previous prime is 3213142441. The next prime is 3213142447. The reversal of 3213142444 is 4442413123.

It is an interprime number because it is at equal distance from previous prime (3213142441) and next prime (3213142447).

It is not an unprimeable number, because it can be changed into a prime (3213142441) by changing a digit.

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, 39564 + ... + 89395.

Almost surely, 23213142444 is an apocalyptic number.

It is an amenable number.

3213142444 is a deficient number, since it is larger than the sum of its proper divisors (2410803156).

3213142444 is a wasteful number, since it uses less digits than its factorization.

3213142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135192 (or 135190 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 3213142444 is about 56684.5873584699. The cubic root of 3213142444 is about 1475.6272263375.

Adding to 3213142444 its reverse (4442413123), we get a palindrome (7655555567).

The spelling of 3213142444 in words is "three billion, two hundred thirteen million, one hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 6229 12458 24916 128959 257918 515836 803285611 1606571222 3213142444