Base | Representation |
---|---|
bin | 10011000011101001… |
… | …11100110100000000 |
3 | 222102000211001220222 |
4 | 21201310330310000 |
5 | 131423142030440 |
6 | 4411122122212 |
7 | 511352544233 |
oct | 114164746400 |
9 | 28360731828 |
10 | 10231205120 |
11 | 4380280924 |
12 | 1b964b0368 |
13 | c7087c136 |
14 | 6d0b4941a |
15 | 3ed32d2b5 |
hex | 261d3cd00 |
10231205120 has 72 divisors (see below), whose sum is σ = 25796833440. Its totient is φ = 3877079040.
The previous prime is 10231205119. The next prime is 10231205123. The reversal of 10231205120 is 2150213201.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10231205123) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186026 + ... + 234665.
Almost surely, 210231205120 is an apocalyptic number.
10231205120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10231205120 is an abundant number, since it is smaller than the sum of its proper divisors (15565628320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10231205120 is an equidigital number, since it uses as much as digits as its factorization.
10231205120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420731 (or 420717 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
Adding to 10231205120 its reverse (2150213201), we get a palindrome (12381418321).
The spelling of 10231205120 in words is "ten billion, two hundred thirty-one million, two hundred five thousand, one hundred twenty".
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