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420041320242 = 23121357713839
BaseRepresentation
bin1100001110011000110…
…10011110011100110010
31111011012101211220221220
412013030122132130302
523340221034221432
6520544143125510
742230005212045
oct6071432363462
91434171756856
10420041320242
11152158413985
12694a6ba3896
13307c075270b
1416489b62c5c
15add60c772c
hex61cc69e732

420041320242 has 16 divisors (see below), whose sum is σ = 840775221120. Its totient is φ = 139898343312.

The previous prime is 420041320213. The next prime is 420041320247. The reversal of 420041320242 is 242023140024.

420041320242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (420041320247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28849642 + ... + 28864197.

It is an arithmetic number, because the mean of its divisors is an integer number (52548451320).

Almost surely, 2420041320242 is an apocalyptic number.

420041320242 is an abundant number, since it is smaller than the sum of its proper divisors (420733900878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420041320242 is a wasteful number, since it uses less digits than its factorization.

420041320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57715057.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 420041320242 its reverse (242023140024), we get a palindrome (662064460266).

The spelling of 420041320242 in words is "four hundred twenty billion, forty-one million, three hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 1213 2426 3639 7278 57713839 115427678 173141517 346283034 70006886707 140013773414 210020660121 420041320242