Search a number
-
+
42001241210 = 254721901369
BaseRepresentation
bin100111000111011110…
…000001010001111010
311000102010202010100022
4213013132001101322
51142004304204320
631143424210442
73014554442165
oct470736012172
9130363663308
1042001241210
11168a36731a5
128182169a22
133c64872866
1420662aaadc
15115c542325
hex9c778147a

42001241210 has 24 divisors (see below), whose sum is σ = 77245057620. Its totient is φ = 16443030464.

The previous prime is 42001241209. The next prime is 42001241213. The reversal of 42001241210 is 1214210024.

42001241210 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 2 ways, for example, as 40333090561 + 1668150649 = 200831^2 + 40843^2 .

It is not an unprimeable number, because it can be changed into a prime (42001241213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 928595 + ... + 972774.

Almost surely, 242001241210 is an apocalyptic number.

42001241210 is a deficient number, since it is larger than the sum of its proper divisors (35243816410).

42001241210 is a wasteful number, since it uses less digits than its factorization.

42001241210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901470 (or 1901423 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 42001241210 its reverse (1214210024), we get a palindrome (43215451234).

The spelling of 42001241210 in words is "forty-two billion, one million, two hundred forty-one thousand, two hundred ten".

Divisors: 1 2 5 10 47 94 235 470 2209 4418 11045 22090 1901369 3802738 9506845 19013690 89364343 178728686 446821715 893643430 4200124121 8400248242 21000620605 42001241210