Base | Representation |
---|---|
bin | 11000010001011010… |
… | …10100110001110000 |
3 | 1020122011010110010002 |
4 | 30020231110301300 |
5 | 203141414014300 |
6 | 5553015325132 |
7 | 640630453100 |
oct | 141055246160 |
9 | 36564113102 |
10 | 13031001200 |
11 | 558772a088 |
12 | 26380807a8 |
13 | 12c89375c9 |
14 | 8b8919200 |
15 | 5140275d5 |
hex | 308b54c70 |
13031001200 has 90 divisors (see below), whose sum is σ = 36418378896. Its totient is φ = 4467765120.
The previous prime is 13031001169. The next prime is 13031001227. The reversal of 13031001200 is 210013031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 312824 + ... + 352023.
Almost surely, 213031001200 is an apocalyptic number.
13031001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13031001200 is an abundant number, since it is smaller than the sum of its proper divisors (23387377696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031001200 is a wasteful number, since it uses less digits than its factorization.
13031001200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 664879 (or 664861 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 13031001200 its reverse (210013031), we get a palindrome (13241014231).
The spelling of 13031001200 in words is "thirteen billion, thirty-one million, one thousand, two hundred".
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