Base | Representation |
---|---|
bin | 1100001111100111100… |
… | …00111011111010000010 |
3 | 1111012220102010112001220 |
4 | 12013303300323322002 |
5 | 23343044042110430 |
6 | 521133445335510 |
7 | 42252242625150 |
oct | 6076360737202 |
9 | 1435812115056 |
10 | 420701519490 |
11 | 15246704939a |
12 | 69650107596 |
13 | 30897467b65 |
14 | 1650d6da3d0 |
15 | ae24037110 |
hex | 61f3c3be82 |
420701519490 has 32 divisors (see below), whose sum is σ = 1153924168320. Its totient is φ = 96160347264.
The previous prime is 420701519443. The next prime is 420701519549. The reversal of 420701519490 is 94915107024.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001670075 + ... + 1001670494.
It is an arithmetic number, because the mean of its divisors is an integer number (36060130260).
Almost surely, 2420701519490 is an apocalyptic number.
420701519490 is an abundant number, since it is smaller than the sum of its proper divisors (733222648830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420701519490 is a wasteful number, since it uses less digits than its factorization.
420701519490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2003340586.
The product of its (nonzero) digits is 90720, while the sum is 42.
The spelling of 420701519490 in words is "four hundred twenty billion, seven hundred one million, five hundred nineteen thousand, four hundred ninety".
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