Search a number
-
+
25753503320325 = 325211194143930427
BaseRepresentation
bin1011101101100001101000…
…11010101100100100000101
310101012000021221000022110100
411312300310122230210011
511333421133322222300
6130434555053514313
75265425551232154
oct566606432544405
9111160257008410
1025753503320325
118229aaa2606a0
122a7b2501a2999
13114a711314651
14650694a1d59b
152e9d9386a700
hex176c346ac905

25753503320325 has 288 divisors, whose sum is σ = 54386569036800. Its totient is φ = 11514172032000.

The previous prime is 25753503320273. The next prime is 25753503320381. The reversal of 25753503320325 is 52302330535752.

25753503320325 is a `hidden beast` number, since 2 + 5 + 75 + 350 + 3 + 3 + 203 + 25 = 666.

It is not a de Polignac number, because 25753503320325 - 27 = 25753503320197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 846387762 + ... + 846418188.

It is an arithmetic number, because the mean of its divisors is an integer number (188842253600).

Almost surely, 225753503320325 is an apocalyptic number.

25753503320325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25753503320325 is an abundant number, since it is smaller than the sum of its proper divisors (28633065716475).

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

25753503320325 is a wasteful number, since it uses less digits than its factorization.

25753503320325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30953 (or 30945 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 45.

The spelling of 25753503320325 in words is "twenty-five trillion, seven hundred fifty-three billion, five hundred three million, three hundred twenty thousand, three hundred twenty-five".