Search a number
-
+
1013420443 = 7147198419
BaseRepresentation
bin111100011001111…
…001000110011011
32121121221002111111
4330121321012123
54033413423233
6244321041151
734053634360
oct7431710633
92547832444
101013420443
1148005a862
122434861b7
13131c58889
1498842467
155de82acd
hex3c67919b

1013420443 has 8 divisors (see below), whose sum is σ = 1158993920. Its totient is φ = 868046760.

The previous prime is 1013420437. The next prime is 1013420477. The reversal of 1013420443 is 3440243101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013420443 - 213 = 1013412251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013420413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38913 + ... + 59506.

It is an arithmetic number, because the mean of its divisors is an integer number (144874240).

Almost surely, 21013420443 is an apocalyptic number.

1013420443 is a deficient number, since it is larger than the sum of its proper divisors (145573477).

1013420443 is an equidigital number, since it uses as much as digits as its factorization.

1013420443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99897.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1013420443 is about 31834.2652341781. The cubic root of 1013420443 is about 1004.4536168516.

Adding to 1013420443 its reverse (3440243101), we get a palindrome (4453663544).

The spelling of 1013420443 in words is "one billion, thirteen million, four hundred twenty thousand, four hundred forty-three".

Divisors: 1 7 1471 10297 98419 688933 144774349 1013420443