Search a number
-
+
25230542141 = 718413195751
BaseRepresentation
bin10111011111110110…
…111000010100111101
32102010100201100011202
4113133312320110331
5403133004322031
615331334025245
71552144032620
oct273766702475
972110640152
1025230542141
11a777a8a822
124a817a8225
1324c122549c
141314c39db7
159ca0612cb
hex5dfdb853d

25230542141 has 8 divisors (see below), whose sum is σ = 28836618624. Its totient is φ = 21624894000.

The previous prime is 25230542131. The next prime is 25230542147. The reversal of 25230542141 is 14124503252.

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

It is a cyclic number.

It is not a de Polignac number, because 25230542141 - 210 = 25230541117 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 (25230542147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31016 + ... + 226766.

It is an arithmetic number, because the mean of its divisors is an integer number (3604577328).

Almost surely, 225230542141 is an apocalyptic number.

It is an amenable number.

25230542141 is a deficient number, since it is larger than the sum of its proper divisors (3606076483).

25230542141 is a wasteful number, since it uses less digits than its factorization.

25230542141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214171.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 25230542141 in words is "twenty-five billion, two hundred thirty million, five hundred forty-two thousand, one hundred forty-one".

Divisors: 1 7 18413 128891 195751 1370257 3604363163 25230542141