Search a number
-
+
2051241253 = 291071913461
BaseRepresentation
bin111101001000011…
…0111010100100101
312021221202212000021
41322100313110211
513200104210003
6535313115141
7101555156125
oct17220672445
95257685007
102051241253
11962965a06
12492b58ab1
13268c78729
141565d6c85
15c01352bd
hex7a437525

2051241253 has 16 divisors (see below), whose sum is σ = 2153640960. Its totient is φ = 1951163200.

The previous prime is 2051241251. The next prime is 2051241277. The reversal of 2051241253 is 3521421502.

It is a cyclic number.

It is not a de Polignac number, because 2051241253 - 21 = 2051241251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051241251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590943 + ... + 594403.

It is an arithmetic number, because the mean of its divisors is an integer number (134602560).

Almost surely, 22051241253 is an apocalyptic number.

It is an amenable number.

2051241253 is a deficient number, since it is larger than the sum of its proper divisors (102399707).

2051241253 is a wasteful number, since it uses less digits than its factorization.

2051241253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2051241253 is about 45290.6309627057. The cubic root of 2051241253 is about 1270.5904322626.

Adding to 2051241253 its reverse (3521421502), we get a palindrome (5572662755).

The spelling of 2051241253 in words is "two billion, fifty-one million, two hundred forty-one thousand, two hundred fifty-three".

Divisors: 1 29 107 191 3103 3461 5539 20437 100369 370327 592673 661051 10739483 19170479 70732457 2051241253