Search a number
-
+
250002105105 = 35292591221813
BaseRepresentation
bin1110100011010101001…
…0010110001100010001
3212220022002001210210010
43220311102112030101
513044001014330410
6310503244425133
724030166555044
oct3506522261421
9786262053703
10250002105105
1197030741905
12405512481a9
131a76264810c
14c158bdcc5b
1567830d2c20
hex3a35496311

250002105105 has 32 divisors (see below), whose sum is σ = 413958159360. Its totient is φ = 128686449920.

The previous prime is 250002105091. The next prime is 250002105137. The reversal of 250002105105 is 501501200052.

It is not a de Polignac number, because 250002105105 - 212 = 250002101009 is a prime.

It is a super-3 number, since 3×2500021051053 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 31 ways as a sum of consecutive naturals, for example, 1016179 + ... + 1237991.

It is an arithmetic number, because the mean of its divisors is an integer number (12936192480).

Almost surely, 2250002105105 is an apocalyptic number.

It is an amenable number.

250002105105 is a deficient number, since it is larger than the sum of its proper divisors (163956054255).

250002105105 is a wasteful number, since it uses less digits than its factorization.

250002105105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224441.

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 250002105105 its reverse (501501200052), we get a palindrome (751503305157).

The spelling of 250002105105 in words is "two hundred fifty billion, two million, one hundred five thousand, one hundred five".

Divisors: 1 3 5 15 29 87 145 435 2591 7773 12955 38865 75139 221813 225417 375695 665439 1109065 1127085 3327195 6432577 19297731 32162885 96488655 574717483 1724152449 2873587415 8620762245 16666807007 50000421021 83334035035 250002105105