Base | Representation |
---|---|
bin | 1100001111110111010… |
… | …10101110010000111010 |
3 | 1111020020122121201222000 |
4 | 12013323222232100322 |
5 | 23343332012432344 |
6 | 521154543241430 |
7 | 42255442621023 |
oct | 6077352562072 |
9 | 1436218551860 |
10 | 420834108474 |
11 | 15252497946a |
12 | 696885a9276 |
13 | 308b8a7bb90 |
14 | 16523171c4a |
15 | ae309c7a69 |
hex | 61fbaae43a |
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".
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