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4213211444 = 2213109743333
BaseRepresentation
bin1111101100100000…
…1000000100110100
3101212121220022120022
43323020020010310
532112040231234
61534023424312
7206256464201
oct37310100464
911777808508
104213211444
111872280132
12996bb5098
13521b53230
142bd7b4ca8
15199d3de2e
hexfb208134

4213211444 has 24 divisors (see below), whose sum is σ = 8013140520. Its totient is φ = 1926716544.

The previous prime is 4213211413. The next prime is 4213211447. The reversal of 4213211444 is 4441123124.

It can be written as a sum of positive squares in 4 ways, for example, as 1631352100 + 2581859344 = 40390^2 + 50812^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213211447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365999 + ... + 377334.

It is an arithmetic number, because the mean of its divisors is an integer number (333880855).

Almost surely, 24213211444 is an apocalyptic number.

It is an amenable number.

4213211444 is a deficient number, since it is larger than the sum of its proper divisors (3799929076).

4213211444 is a wasteful number, since it uses less digits than its factorization.

4213211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743459 (or 743457 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 4213211444 is about 64909.2554571380. The cubic root of 4213211444 is about 1615.1185992836.

Adding to 4213211444 its reverse (4441123124), we get a palindrome (8654334568).

The spelling of 4213211444 in words is "four billion, two hundred thirteen million, two hundred eleven thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 109 218 436 1417 2834 5668 743333 1486666 2973332 9663329 19326658 38653316 81023297 162046594 324093188 1053302861 2106605722 4213211444