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420834108474 = 23313599478787
BaseRepresentation
bin1100001111110111010…
…10101110010000111010
31111020020122121201222000
412013323222232100322
523343332012432344
6521154543241430
742255442621023
oct6077352562072
91436218551860
10420834108474
1115252497946a
12696885a9276
13308b8a7bb90
1416523171c4a
15ae309c7a69
hex61fbaae43a

420834108474 has 32 divisors (see below), whose sum is σ = 1007124363840. Its totient is φ = 129487417776.

The previous prime is 420834108467. The next prime is 420834108479. The reversal of 420834108474 is 474801438024.

420834108474 is a `hidden beast` number, since 42 + 0 + 8 + 34 + 108 + 474 = 666.

It is not an unprimeable number, because it can be changed into a prime (420834108479) 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, 299738692 + ... + 299740095.

It is an arithmetic number, because the mean of its divisors is an integer number (31472636370).

Almost surely, 2420834108474 is an apocalyptic number.

420834108474 is an abundant number, since it is smaller than the sum of its proper divisors (586290255366).

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

420834108474 is a wasteful number, since it uses less digits than its factorization.

420834108474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599478811 (or 599478805 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The spelling of 420834108474 in words is "four hundred twenty billion, eight hundred thirty-four million, one hundred eight thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 599478787 1198957574 1798436361 3596872722 5395309083 7793224231 10790618166 15586448462 16185927249 23379672693 32371854498 46759345386 70139018079 140278036158 210417054237 420834108474