Search a number
-
+
11210042251 = 437915721019
BaseRepresentation
bin10100111000010101…
…11010101110001011
31001221020200011001001
422130022322232023
5140424232323001
65052210035431
7544536533632
oct123412725613
931836604031
1011210042251
11483285a731
12220a278b77
1310985b97c5
14784b48519
1545922e001
hex29c2bab8b

11210042251 has 16 divisors (see below), whose sum is σ = 11690483200. Its totient is φ = 10741375008.

The previous prime is 11210042231. The next prime is 11210042257. The reversal of 11210042251 is 15224001211.

It is a cyclic number.

It is not a de Polignac number, because 11210042251 - 211 = 11210040203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11210042257) 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, 522820 + ... + 543838.

It is an arithmetic number, because the mean of its divisors is an integer number (730655200).

Almost surely, 211210042251 is an apocalyptic number.

11210042251 is a deficient number, since it is larger than the sum of its proper divisors (480440949).

11210042251 is a wasteful number, since it uses less digits than its factorization.

11210042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11210042251 its reverse (15224001211), we get a palindrome (26434043462).

The spelling of 11210042251 in words is "eleven billion, two hundred ten million, forty-two thousand, two hundred fifty-one".

Divisors: 1 43 79 157 3397 6751 12403 21019 533329 903817 1660501 3299983 71401543 141899269 260698657 11210042251