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420242315313 = 3597937299137
BaseRepresentation
bin1100001110110000110…
…01001101100000110001
31111011201102001112100210
412013120121031200301
523341124013042223
6521020123134333
742234665512362
oct6073031154061
91434642045323
10420242315313
11152250916507
12695423743a9
1330823297902
14164a8723b69
15ade8a7b893
hex61d864d831

420242315313 has 16 divisors (see below), whose sum is σ = 569893786560. Its totient is φ = 275377422336.

The previous prime is 420242315293. The next prime is 420242315347. The reversal of 420242315313 is 313513242024.

It is not a de Polignac number, because 420242315313 - 28 = 420242315057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420242315513) 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 15 ways as a sum of consecutive naturals, for example, 1255281 + ... + 1554417.

It is an arithmetic number, because the mean of its divisors is an integer number (35618361660).

Almost surely, 2420242315313 is an apocalyptic number.

It is an amenable number.

420242315313 is a deficient number, since it is larger than the sum of its proper divisors (149651471247).

420242315313 is a wasteful number, since it uses less digits than its factorization.

420242315313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307136.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 420242315313 its reverse (313513242024), we get a palindrome (733755557337).

The spelling of 420242315313 in words is "four hundred twenty billion, two hundred forty-two million, three hundred fifteen thousand, three hundred thirteen".

Divisors: 1 3 59 177 7937 23811 299137 468283 897411 1404849 17649083 52947249 2374250369 7122751107 140080771771 420242315313