Search a number
-
+
10120025345 = 52024005069
BaseRepresentation
bin10010110110011001…
…10101010100000001
3222010021121112221112
421123030311110001
5131211211302340
64352111133105
7505532540033
oct113314652401
928107545845
1010120025345
114323543911
121b65214195
13c53822aa1
146c0087c53
153e36bb065
hex25b335501

10120025345 has 4 divisors (see below), whose sum is σ = 12144030420. Its totient is φ = 8096020272.

The previous prime is 10120025341. The next prime is 10120025359. The reversal of 10120025345 is 54352002101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6407682304 + 3712343041 = 80048^2 + 60929^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120025345 - 22 = 10120025341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10120025345.

It is not an unprimeable number, because it can be changed into a prime (10120025341) 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, 1012002530 + ... + 1012002539.

It is an arithmetic number, because the mean of its divisors is an integer number (3036007605).

Almost surely, 210120025345 is an apocalyptic number.

It is an amenable number.

10120025345 is a deficient number, since it is larger than the sum of its proper divisors (2024005075).

10120025345 is an equidigital number, since it uses as much as digits as its factorization.

10120025345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024005074.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 10120025345 its reverse (54352002101), we get a palindrome (64472027446).

The spelling of 10120025345 in words is "ten billion, one hundred twenty million, twenty-five thousand, three hundred forty-five".

Divisors: 1 5 2024005069 10120025345