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426743342673 = 317107380320563
BaseRepresentation
bin1100011010110111110…
…00101010011001010001
31111210111110212221100220
412031123320222121101
523442432243431143
6524013154503253
742555045364044
oct6153370523121
91453443787326
10426743342673
11154a8754559a
126a857594b29
133131b0b826b
1416923cb4c5b
15b179681d83
hex635be2a651

426743342673 has 32 divisors (see below), whose sum is σ = 608281145856. Its totient is φ = 265175447808.

The previous prime is 426743342657. The next prime is 426743342681. The reversal of 426743342673 is 376243347624.

It is not a de Polignac number, because 426743342673 - 24 = 426743342657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (426743342603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20742690 + ... + 20763252.

It is an arithmetic number, because the mean of its divisors is an integer number (19008785808).

Almost surely, 2426743342673 is an apocalyptic number.

It is an amenable number.

426743342673 is a deficient number, since it is larger than the sum of its proper divisors (181537803183).

426743342673 is a wasteful number, since it uses less digits than its factorization.

426743342673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24493.

The product of its digits is 12192768, while the sum is 51.

The spelling of 426743342673 in words is "four hundred twenty-six billion, seven hundred forty-three million, three hundred forty-two thousand, six hundred seventy-three".

Divisors: 1 3 17 51 107 321 1819 3803 5457 11409 20563 61689 64651 193953 349571 406921 1048713 1220763 2200241 6600723 6917657 20752971 37404097 78201089 112212291 234603267 1329418513 3988255539 8367516523 25102549569 142247780891 426743342673