Search a number
-
+
421012711 = 760144673
BaseRepresentation
bin11001000110000…
…010010011100111
31002100012122212101
4121012002103213
51330234401321
6105435432531
713301356210
oct3106022347
91070178771
10421012711
111a6718099
12b8bb5747
13692ba962
143dcb4407
1526e64791
hex191824e7

421012711 has 4 divisors (see below), whose sum is σ = 481157392. Its totient is φ = 360868032.

The previous prime is 421012703. The next prime is 421012721. The reversal of 421012711 is 117210124.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 421012711 - 23 = 421012703 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 (421012721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30072330 + ... + 30072343.

It is an arithmetic number, because the mean of its divisors is an integer number (120289348).

Almost surely, 2421012711 is an apocalyptic number.

421012711 is a deficient number, since it is larger than the sum of its proper divisors (60144681).

421012711 is an equidigital number, since it uses as much as digits as its factorization.

421012711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60144680.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 421012711 is about 20518.5942744624. The cubic root of 421012711 is about 749.4886653877.

Adding to 421012711 its reverse (117210124), we get a palindrome (538222835).

The spelling of 421012711 in words is "four hundred twenty-one million, twelve thousand, seven hundred eleven".

Divisors: 1 7 60144673 421012711