Base | Representation |
---|---|
bin | 1001001011111111010000… |
… | …11100101100111010100010 |
3 | 2122112101210221100001111202 |
4 | 10211333220130230322202 |
5 | 10122002003020444302 |
6 | 110545105033041202 |
7 | 4153425264215510 |
oct | 445775034547242 |
9 | 78471727301452 |
10 | 20203131031202 |
11 | 648a110855329 |
12 | 2323603856202 |
13 | b371bb1a43a2 |
14 | 4dbba00d34b0 |
15 | 2507e3133202 |
hex | 125fe872cea2 |
20203131031202 has 32 divisors (see below), whose sum is σ = 35085285457920. Its totient is φ = 8545728980880.
The previous prime is 20203131031183. The next prime is 20203131031217. The reversal of 20203131031202 is 20213013130202.
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, 370658 + ... + 6367389.
It is an arithmetic number, because the mean of its divisors is an integer number (1096415170560).
Almost surely, 220203131031202 is an apocalyptic number.
20203131031202 is a deficient number, since it is larger than the sum of its proper divisors (14882154426718).
20203131031202 is a wasteful number, since it uses less digits than its factorization.
20203131031202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6740846.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 20203131031202 its reverse (20213013130202), we get a palindrome (40416144161404).
The spelling of 20203131031202 in words is "twenty trillion, two hundred three billion, one hundred thirty-one million, thirty-one thousand, two hundred two".
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