Search a number
-
+
250396678825 = 5210015867153
BaseRepresentation
bin1110100100110011001…
…1100001101010101001
3212221022120112020011121
43221030303201222221
513100303022210300
6311010341455241
724043030436536
oct3511463415251
9787276466147
10250396678825
1197213440997
1240641411521
131a7c63098a7
14c19538dd8d
1567a7a7381a
hex3a4cce1aa9

250396678825 has 6 divisors (see below), whose sum is σ = 310491881774. Its totient is φ = 200317343040.

The previous prime is 250396678823. The next prime is 250396678853. The reversal of 250396678825 is 528876693052.

It is a happy number.

250396678825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 9069133824 + 241327545001 = 95232^2 + 491251^2 .

It is not a de Polignac number, because 250396678825 - 21 = 250396678823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250396678823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5007933552 + ... + 5007933601.

Almost surely, 2250396678825 is an apocalyptic number.

250396678825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250396678825 is a deficient number, since it is larger than the sum of its proper divisors (60095202949).

250396678825 is a wasteful number, since it uses less digits than its factorization.

250396678825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015867163 (or 10015867158 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 250396678825 in words is "two hundred fifty billion, three hundred ninety-six million, six hundred seventy-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 10015867153 50079335765 250396678825