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420401344313 = 15165913193203
BaseRepresentation
bin1100001111000011101…
…11110110111100111001
31111012010111022001010202
412013201313312330321
523341440221004223
6521044003451545
742241636315646
oct6074167667471
91435114261122
10420401344313
11152322665335
1269587686bb5
133084a208402
14164c18bcdcd
15ae079e1428
hex61e1df6f39

420401344313 has 16 divisors (see below), whose sum is σ = 424281369600. Its totient is φ = 416537293200.

The previous prime is 420401344211. The next prime is 420401344343. The reversal of 420401344313 is 313443104024.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-420401344313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420401344343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131250770 + ... + 131253972.

It is an arithmetic number, because the mean of its divisors is an integer number (26517585600).

Almost surely, 2420401344313 is an apocalyptic number.

It is an amenable number.

420401344313 is a deficient number, since it is larger than the sum of its proper divisors (3880025287).

420401344313 is a wasteful number, since it uses less digits than its factorization.

420401344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 420401344313 its reverse (313443104024), we get a palindrome (733844448337).

The spelling of 420401344313 in words is "four hundred twenty billion, four hundred one million, three hundred forty-four thousand, three hundred thirteen".

Divisors: 1 151 659 1319 3203 99509 199169 483653 869221 2110777 4224757 131252371 318727327 637938307 2784114863 420401344313