[go: up one dir, main page]

Search a number
-
+
4201223131 = 71573822769
BaseRepresentation
bin1111101001101001…
…1001001111011011
3101211210100020200201
43322122121033123
532101003120011
61532514443031
7206052543640
oct37232311733
911753306621
104201223131
111866532136
12992b93477
1351c516661
142bbd73dc7
15198c71cc1
hexfa6993db

4201223131 has 8 divisors (see below), whose sum is σ = 4831981280. Its totient is φ = 3578110848.

The previous prime is 4201223123. The next prime is 4201223161. The reversal of 4201223131 is 1313221024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4201223131 - 23 = 4201223123 is a prime.

It is a super-2 number, since 2×42012231312 = 35300551592898886322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4201223099 and 4201223108.

It is not an unprimeable number, because it can be changed into a prime (4201223111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910286 + ... + 1912483.

It is an arithmetic number, because the mean of its divisors is an integer number (603997660).

Almost surely, 24201223131 is an apocalyptic number.

4201223131 is a deficient number, since it is larger than the sum of its proper divisors (630758149).

4201223131 is a wasteful number, since it uses less digits than its factorization.

4201223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822933.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4201223131 is about 64816.8429576757. The cubic root of 4201223131 is about 1613.5852526162.

Adding to 4201223131 its reverse (1313221024), we get a palindrome (5514444155).

The spelling of 4201223131 in words is "four billion, two hundred one million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 157 1099 3822769 26759383 600174733 4201223131