Search a number
-
+
25000308330 = 235833343611
BaseRepresentation
bin10111010010001000…
…100110111001101010
32101112022111020202120
4113102020212321222
5402200034331310
615252431212110
71543350054204
oct272210467152
971468436676
1025000308330
11a66a027748
124a18677036
13248561396a
1412d2427774
159b4c33b70
hex5d2226e6a

25000308330 has 16 divisors (see below), whose sum is σ = 60000740064. Its totient is φ = 6666748880.

The previous prime is 25000308299. The next prime is 25000308457. The reversal of 25000308330 is 3380300052.

It is a self number, because there is not a number n which added to its sum of digits gives 25000308330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416671776 + ... + 416671835.

It is an arithmetic number, because the mean of its divisors is an integer number (3750046254).

Almost surely, 225000308330 is an apocalyptic number.

25000308330 is an abundant number, since it is smaller than the sum of its proper divisors (35000431734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25000308330 is a wasteful number, since it uses less digits than its factorization.

25000308330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833343621.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 25000308330 its reverse (3380300052), we get a palindrome (28380608382).

The spelling of 25000308330 in words is "twenty-five billion, three hundred eight thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 833343611 1666687222 2500030833 4166718055 5000061666 8333436110 12500154165 25000308330