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25528030030 = 252552803003
BaseRepresentation
bin10111110001100101…
…101101001101001110
32102220002111021211201
4113301211231031032
5404240133430110
615421042140114
71562415450346
oct276145551516
972802437751
1025528030030
11a90a9a8888
124b4535163a
13253aa53a19
141342557d26
159e6225b3a
hex5f196d34e

25528030030 has 8 divisors (see below), whose sum is σ = 45950454072. Its totient is φ = 10211212008.

The previous prime is 25528029997. The next prime is 25528030037. The reversal of 25528030030 is 3003082552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25528030037) 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, 1276401492 + ... + 1276401511.

It is an arithmetic number, because the mean of its divisors is an integer number (5743806759).

Almost surely, 225528030030 is an apocalyptic number.

25528030030 is a deficient number, since it is larger than the sum of its proper divisors (20422424042).

25528030030 is a wasteful number, since it uses less digits than its factorization.

25528030030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552803010.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 25528030030 in words is "twenty-five billion, five hundred twenty-eight million, thirty thousand, thirty".

Divisors: 1 2 5 10 2552803003 5105606006 12764015015 25528030030