Search a number
-
+
250242105222541 is a prime number
BaseRepresentation
bin111000111001100000000111…
…110010100010010110001101
31012211000220121120110221010101
4320321200013302202112031
5230244431312414110131
62244115345222011101
7103465252435341535
oct7071400762422615
91184026546427111
10250242105222541
117280a098666513
122409671a876a91
13a98296327c593
1445b1ad53264c5
151dde5888a4c61
hexe39807ca258d

250242105222541 has 2 divisors, whose sum is σ = 250242105222542. Its totient is φ = 250242105222540.

The previous prime is 250242105222533. The next prime is 250242105222547. The reversal of 250242105222541 is 145222501242052.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185187734056900 + 65054371165641 = 13608370^2 + 8065629^2 .

It is a cyclic number.

It is not a de Polignac number, because 250242105222541 - 23 = 250242105222533 is a prime.

It is a super-2 number, since 2×2502421052225412 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 250242105222541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250242105222547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125121052611270 + 125121052611271.

It is an arithmetic number, because the mean of its divisors is an integer number (125121052611271).

Almost surely, 2250242105222541 is an apocalyptic number.

It is an amenable number.

250242105222541 is a deficient number, since it is larger than the sum of its proper divisors (1).

250242105222541 is an equidigital number, since it uses as much as digits as its factorization.

250242105222541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128000, while the sum is 37.

Adding to 250242105222541 its reverse (145222501242052), we get a palindrome (395464606464593).

The spelling of 250242105222541 in words is "two hundred fifty trillion, two hundred forty-two billion, one hundred five million, two hundred twenty-two thousand, five hundred forty-one".