Search a number
-
+
16801251041 = 56873295417
BaseRepresentation
bin11111010010110111…
…01011111011100001
31121100220111222121002
433221123223323201
5233402110013131
611415101041345
71133231164121
oct175133537341
947326458532
1016801251041
117141960643
12330a856255
131779a86683
14b55544c81
156850186cb
hex3e96ebee1

16801251041 has 4 divisors (see below), whose sum is σ = 16801603332. Its totient is φ = 16800898752.

The previous prime is 16801251037. The next prime is 16801251043. The reversal of 16801251041 is 14015210861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14015210861 = 132971054013.

It can be written as a sum of positive squares in 2 ways, for example, as 6745172641 + 10056078400 = 82129^2 + 100280^2 .

It is a cyclic number.

It is not a de Polignac number, because 16801251041 - 22 = 16801251037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16801250995 and 16801251013.

It is not an unprimeable number, because it can be changed into a prime (16801251043) 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, 90836 + ... + 204581.

It is an arithmetic number, because the mean of its divisors is an integer number (4200400833).

Almost surely, 216801251041 is an apocalyptic number.

It is an amenable number.

16801251041 is a deficient number, since it is larger than the sum of its proper divisors (352291).

16801251041 is an equidigital number, since it uses as much as digits as its factorization.

16801251041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352290.

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 16801251041 in words is "sixteen billion, eight hundred one million, two hundred fifty-one thousand, forty-one".

Divisors: 1 56873 295417 16801251041