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255100013 = 736442859
BaseRepresentation
bin11110011010010…
…00010001101101
3122210000102102122
433031020101231
51010301200023
641151402325
76215212550
oct1715102155
9583012378
10255100013
11120aa7463
12715233a5
1340b09b6c
1425c46697
15175e02c8
hexf34846d

255100013 has 4 divisors (see below), whose sum is σ = 291542880. Its totient is φ = 218657148.

The previous prime is 255100007. The next prime is 255100031. The reversal of 255100013 is 310001552.

255100013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255100013 - 210 = 255098989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255099964 and 255100000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255100063) 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, 18221423 + ... + 18221436.

It is an arithmetic number, because the mean of its divisors is an integer number (72885720).

Almost surely, 2255100013 is an apocalyptic number.

It is an amenable number.

255100013 is a deficient number, since it is larger than the sum of its proper divisors (36442867).

255100013 is an equidigital number, since it uses as much as digits as its factorization.

255100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36442866.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 255100013 is about 15971.8506441802. The cubic root of 255100013 is about 634.2154636249.

Adding to 255100013 its reverse (310001552), we get a palindrome (565101565).

The spelling of 255100013 in words is "two hundred fifty-five million, one hundred thousand, thirteen".

Divisors: 1 7 36442859 255100013