Search a number
-
+
25001051241 = 317490216691
BaseRepresentation
bin10111010010001011…
…011100010001101001
32101112100212222211210
4113102023130101221
5402200232114431
615252455143333
71543356300135
oct272213342151
971470788753
1025001051241
11a66a494921
124a18974b49
132485813b5a
1412d257c3c5
159b4d2dd46
hex5d22dc469

25001051241 has 8 divisors (see below), whose sum is σ = 35295601824. Its totient is φ = 15686934080.

The previous prime is 25001051227. The next prime is 25001051249. The reversal of 25001051241 is 14215010052.

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 25001051241 - 25 = 25001051209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25001051249) by changing a digit.

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, 245108295 + ... + 245108396.

It is an arithmetic number, because the mean of its divisors is an integer number (4411950228).

Almost surely, 225001051241 is an apocalyptic number.

It is an amenable number.

25001051241 is a deficient number, since it is larger than the sum of its proper divisors (10294550583).

25001051241 is a wasteful number, since it uses less digits than its factorization.

25001051241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490216711.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 25001051241 its reverse (14215010052), we get a palindrome (39216061293).

The spelling of 25001051241 in words is "twenty-five billion, one million, fifty-one thousand, two hundred forty-one".

Divisors: 1 3 17 51 490216691 1470650073 8333683747 25001051241