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250242132052541 = 1371826584905493
BaseRepresentation
bin111000111001100000001001…
…011000111000101000111101
31012211000220200102222000222002
4320321200021120320220331
5230244431341301140131
62244115352021032045
7103465253212365236
oct7071401130705075
91184026612860862
10250242132052541
117280a101821272
1224096727855625
13a9829689b4715
1445b1ad8b0c08d
151dde58ae046cb
hexe39809638a3d

250242132052541 has 4 divisors (see below), whose sum is σ = 252068716958172. Its totient is φ = 248415547146912.

The previous prime is 250242132052531. The next prime is 250242132052553. The reversal of 250242132052541 is 145250231242052.

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 55074135228025 + 195167996824516 = 7421195^2 + 13970254^2 .

It is a cyclic number.

It is not a de Polignac number, because 250242132052541 - 210 = 250242132051517 is a prime.

It is a super-2 number, since 2×2502421320525412 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 250242132052495 and 250242132052504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250242132052511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913292452610 + ... + 913292452883.

It is an arithmetic number, because the mean of its divisors is an integer number (63017179239543).

Almost surely, 2250242132052541 is an apocalyptic number.

It is an amenable number.

250242132052541 is a deficient number, since it is larger than the sum of its proper divisors (1826584905631).

250242132052541 is a wasteful number, since it uses less digits than its factorization.

250242132052541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826584905630.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 250242132052541 its reverse (145250231242052), we get a palindrome (395492363294593).

The spelling of 250242132052541 in words is "two hundred fifty trillion, two hundred forty-two billion, one hundred thirty-two million, fifty-two thousand, five hundred forty-one".

Divisors: 1 137 1826584905493 250242132052541