Search a number
-
+
25415000401 = 726041139423
BaseRepresentation
bin10111101010110110…
…100010000101010001
32102121012210210100011
4113222312202011101
5404022220003101
615401523354521
71556543640040
oct275266420521
972535723304
1025415000401
11a862117a6a
124b13522a41
1325204ca69b
141331534557
159db34a751
hex5eada2151

25415000401 has 8 divisors (see below), whose sum is σ = 29047038464. Its totient is φ = 21783293280.

The previous prime is 25415000399. The next prime is 25415000423. The reversal of 25415000401 is 10400051452.

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

It is not a de Polignac number, because 25415000401 - 21 = 25415000399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25415000491) 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, 112576 + ... + 251998.

It is an arithmetic number, because the mean of its divisors is an integer number (3630879808).

Almost surely, 225415000401 is an apocalyptic number.

It is an amenable number.

25415000401 is a deficient number, since it is larger than the sum of its proper divisors (3632038063).

25415000401 is a wasteful number, since it uses less digits than its factorization.

25415000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165471.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 25415000401 its reverse (10400051452), we get a palindrome (35815051853).

The spelling of 25415000401 in words is "twenty-five billion, four hundred fifteen million, four hundred one", and thus it is an aban number.

Divisors: 1 7 26041 139423 182287 975961 3630714343 25415000401