Search a number
-
+
42010221211 = 7172361251623
BaseRepresentation
bin100111001000000000…
…010001101010011011
311000102202122100120221
4213020000101222123
51142014104034321
631144344500511
73015023663020
oct471000215233
9130382570527
1042010221211
11168a8746a92
12818517a737
133c6669807a
142067567547
15115d217e41
hex9c8011a9b

42010221211 has 32 divisors (see below), whose sum is σ = 53915977728. Its totient is φ = 31885539840.

The previous prime is 42010221203. The next prime is 42010221217. The reversal of 42010221211 is 11212201024.

It is not a de Polignac number, because 42010221211 - 23 = 42010221203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42010221217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41146 + ... + 292768.

It is an arithmetic number, because the mean of its divisors is an integer number (1684874304).

Almost surely, 242010221211 is an apocalyptic number.

42010221211 is a deficient number, since it is larger than the sum of its proper divisors (11905756517).

42010221211 is a wasteful number, since it uses less digits than its factorization.

42010221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251731.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 42010221211 its reverse (11212201024), we get a palindrome (53222422235).

The spelling of 42010221211 in words is "forty-two billion, ten million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 17 23 61 119 161 391 427 1037 1403 2737 7259 9821 23851 166957 251623 1761361 4277591 5787329 15349003 29943137 40511303 98384593 107443021 260933051 353027069 688692151 1826531357 2471189483 6001460173 42010221211