Search a number
-
+
4122530143 = 23179240441
BaseRepresentation
bin1111010110111000…
…1101000101011111
3101122022021020012121
43311232031011133
531420331431033
61521024043411
7204105633214
oct36556150537
911568236177
104122530143
111826073a06
12970763567
13509123164
142b172bb0b
15191dca62d
hexf5b8d15f

4122530143 has 4 divisors (see below), whose sum is σ = 4301770608. Its totient is φ = 3943289680.

The previous prime is 4122530117. The next prime is 4122530147. The reversal of 4122530143 is 3410352214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4122530143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122530147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89620198 + ... + 89620243.

It is an arithmetic number, because the mean of its divisors is an integer number (1075442652).

Almost surely, 24122530143 is an apocalyptic number.

4122530143 is a deficient number, since it is larger than the sum of its proper divisors (179240465).

4122530143 is a wasteful number, since it uses less digits than its factorization.

4122530143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179240464.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4122530143 is about 64206.9322036180. The cubic root of 4122530143 is about 1603.4470141785.

Adding to 4122530143 its reverse (3410352214), we get a palindrome (7532882357).

The spelling of 4122530143 in words is "four billion, one hundred twenty-two million, five hundred thirty thousand, one hundred forty-three".

Divisors: 1 23 179240441 4122530143