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250525410511421 = 1714736788853613
BaseRepresentation
bin111000111101100111111110…
…000110011100101000111101
31012212000222212121100202120102
4320331213332012130220331
5230314102020042331141
62244453441301330445
7103524602134511063
oct7075477606345075
91185028777322512
10250525410511421
11729092590601a1
1224121605106a25
13a9a35a2417ca6
1445c16cd138033
151de6b1a59299b
hexe3d9fe19ca3d

250525410511421 has 4 divisors (see below), whose sum is σ = 265262199365052. Its totient is φ = 235788621657792.

The previous prime is 250525410511399. The next prime is 250525410511429. The reversal of 250525410511421 is 124115014525052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 138156633540025 + 112368776971396 = 11754005^2 + 10600414^2 .

It is a cyclic number.

It is not a de Polignac number, because 250525410511421 - 214 = 250525410495037 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 (250525410511429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7368394426790 + ... + 7368394426823.

It is an arithmetic number, because the mean of its divisors is an integer number (66315549841263).

Almost surely, 2250525410511421 is an apocalyptic number.

It is an amenable number.

250525410511421 is a deficient number, since it is larger than the sum of its proper divisors (14736788853631).

250525410511421 is a wasteful number, since it uses less digits than its factorization.

250525410511421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736788853630.

The product of its (nonzero) digits is 80000, while the sum is 38.

The spelling of 250525410511421 in words is "two hundred fifty trillion, five hundred twenty-five billion, four hundred ten million, five hundred eleven thousand, four hundred twenty-one".

Divisors: 1 17 14736788853613 250525410511421