Search a number
-
+
4561542431 is a prime number
BaseRepresentation
bin1000011111110001…
…11001110100011111
3102202220100100211222
410033320321310133
533320223324211
62032345403555
7221016320345
oct41770716437
912686310758
104561542431
111a30965386
12a737995bb
13579073844
14313b69995
151ba6e81db
hex10fe39d1f

4561542431 has 2 divisors, whose sum is σ = 4561542432. Its totient is φ = 4561542430.

The previous prime is 4561542421. The next prime is 4561542451. The reversal of 4561542431 is 1342451654.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4561542431 is a prime.

It is a super-2 number, since 2×45615424312 = 41615338699626779522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4561542391 and 4561542400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4561542421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280771215 + 2280771216.

It is an arithmetic number, because the mean of its divisors is an integer number (2280771216).

Almost surely, 24561542431 is an apocalyptic number.

4561542431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561542431 is an equidigital number, since it uses as much as digits as its factorization.

4561542431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 4561542431 is about 67539.1918148270. The cubic root of 4561542431 is about 1658.4558184411.

The spelling of 4561542431 in words is "four billion, five hundred sixty-one million, five hundred forty-two thousand, four hundred thirty-one".