Base | Representation |
---|---|
bin | 1100001110010011111… |
… | …00111100101011000100 |
3 | 1111011002112010220221000 |
4 | 12013021330330223010 |
5 | 23340130001302114 |
6 | 520540110053300 |
7 | 42225664211430 |
oct | 6071174745304 |
9 | 1434075126830 |
10 | 420000025284 |
11 | 152137079414 |
12 | 694951aa230 |
13 | 307b5024628 |
14 | 164844939c0 |
15 | add266be09 |
hex | 61c9f3cac4 |
420000025284 has 96 divisors (see below), whose sum is σ = 1252796832000. Its totient is φ = 119194606080.
The previous prime is 420000025187. The next prime is 420000025301. The reversal of 420000025284 is 482520000024.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1751637 + ... + 1976924.
It is an arithmetic number, because the mean of its divisors is an integer number (13049967000).
Almost surely, 2420000025284 is an apocalyptic number.
It is an amenable number.
420000025284 is an abundant number, since it is smaller than the sum of its proper divisors (832796806716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420000025284 is a wasteful number, since it uses less digits than its factorization.
420000025284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3728730 (or 3728722 counting only the distinct ones).
The product of its (nonzero) digits is 5120, while the sum is 27.
The spelling of 420000025284 in words is "four hundred twenty billion, twenty-five thousand, two hundred eighty-four".
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