Base | Representation |
---|---|
bin | 1011110101100010101… |
… | …1011101110111000100 |
3 | 201102212220020221120102 |
4 | 2331120223131313010 |
5 | 11312430410034140 |
6 | 233230203023232 |
7 | 20456143061141 |
oct | 2753053356704 |
9 | 642786227512 |
10 | 203351252420 |
11 | 792715317a8 |
12 | 334b1b0ab18 |
13 | 16239707984 |
14 | 9bb11dd3c8 |
15 | 545279ce15 |
hex | 2f58adddc4 |
203351252420 has 48 divisors (see below), whose sum is σ = 443050933248. Its totient is φ = 78316990080.
The previous prime is 203351252417. The next prime is 203351252431. The reversal of 203351252420 is 24252153302.
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, 710312 + ... + 954591.
It is an arithmetic number, because the mean of its divisors is an integer number (9230227776).
Almost surely, 2203351252420 is an apocalyptic number.
203351252420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
203351252420 is an abundant number, since it is smaller than the sum of its proper divisors (239699680828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203351252420 is a wasteful number, since it uses less digits than its factorization.
203351252420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1665140 (or 1665138 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 29.
The spelling of 203351252420 in words is "two hundred three billion, three hundred fifty-one million, two hundred fifty-two thousand, four hundred twenty".
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