Search a number
-
+
25053252336 = 2432733713709
BaseRepresentation
bin10111010101010010…
…100100101011110000
32101200000010002021200
4113111102210223300
5402302113033321
615302002051200
71544562063000
oct272522445360
971600102250
1025053252336
11a6969a9322
124a32349b00
132493590088
1412d948a000
159b96e0d26
hex5d54a4af0

25053252336 has 240 divisors, whose sum is σ = 83981976000. Its totient is φ = 6964102656.

The previous prime is 25053252307. The next prime is 25053252347. The reversal of 25053252336 is 63325235052.

25053252336 is a `hidden beast` number, since 2 + 50 + 53 + 2 + 523 + 36 = 666.

It is a super-2 number, since 2×250532523362 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 25053252336.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1820650 + ... + 1834358.

It is an arithmetic number, because the mean of its divisors is an integer number (349924900).

Almost surely, 225053252336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25053252336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41990988000).

25053252336 is an abundant number, since it is smaller than the sum of its proper divisors (58928723664).

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

25053252336 is a wasteful number, since it uses less digits than its factorization.

25053252336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13781 (or 13758 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 25053252336 its reverse (63325235052), we get a palindrome (88378487388).

The spelling of 25053252336 in words is "twenty-five billion, fifty-three million, two hundred fifty-two thousand, three hundred thirty-six".