Search a number
-
+
126516341 = 718073763
BaseRepresentation
bin1111000101001…
…11110001110101
322211001200210102
413202213301311
5224342010331
620315403445
73064241210
oct742476165
9284050712
10126516341
1165462666
1236453585
1320298c53
1412b34777
15b1914cb
hex78a7c75

126516341 has 4 divisors (see below), whose sum is σ = 144590112. Its totient is φ = 108442572.

The previous prime is 126516311. The next prime is 126516419. The reversal of 126516341 is 143615621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143615621 = 263546067.

It is not a de Polignac number, because 126516341 - 210 = 126515317 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 (126516311) 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, 9036875 + ... + 9036888.

It is an arithmetic number, because the mean of its divisors is an integer number (36147528).

Almost surely, 2126516341 is an apocalyptic number.

It is an amenable number.

126516341 is a deficient number, since it is larger than the sum of its proper divisors (18073771).

126516341 is an equidigital number, since it uses as much as digits as its factorization.

126516341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18073770.

The product of its digits is 4320, while the sum is 29.

The square root of 126516341 is about 11247.9483018015. The cubic root of 126516341 is about 502.0136674004.

The spelling of 126516341 in words is "one hundred twenty-six million, five hundred sixteen thousand, three hundred forty-one".

Divisors: 1 7 18073763 126516341