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4202423131 = 16325781737
BaseRepresentation
bin1111101001111011…
…1110001101011011
3101211212121012210011
43322132332031123
532101310020011
61533000302351
7206066002324
oct37236761533
911755535704
104202423131
111867181775
129934719b7
1351c84690a
142bc1a744b
15198e0c621
hexfa7be35b

4202423131 has 4 divisors (see below), whose sum is σ = 4228205032. Its totient is φ = 4176641232.

The previous prime is 4202423129. The next prime is 4202423161. The reversal of 4202423131 is 1313242024.

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

It is a cyclic number.

It is not a de Polignac number, because 4202423131 - 21 = 4202423129 is a prime.

It is a super-2 number, since 2×42024231312 = 35320720343927686322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202423161) 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, 12890706 + ... + 12891031.

It is an arithmetic number, because the mean of its divisors is an integer number (1057051258).

Almost surely, 24202423131 is an apocalyptic number.

4202423131 is a deficient number, since it is larger than the sum of its proper divisors (25781901).

4202423131 is a wasteful number, since it uses less digits than its factorization.

4202423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25781900.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4202423131 is about 64826.0991499566. The cubic root of 4202423131 is about 1613.7388680369.

Adding to 4202423131 its reverse (1313242024), we get a palindrome (5515665155).

The spelling of 4202423131 in words is "four billion, two hundred two million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 163 25781737 4202423131