Base | Representation |
---|---|
bin | 10110101111100010… |
… | …00111010001110100 |
3 | 1011111221002201222020 |
4 | 23113301013101310 |
5 | 200001214122100 |
6 | 5335324433140 |
7 | 611400346605 |
oct | 132761072164 |
9 | 34457081866 |
10 | 12209910900 |
11 | 51a61a3860 |
12 | 24490a87b0 |
13 | 11c77abc65 |
14 | 83b85ddac |
15 | 4b6dd65a0 |
hex | 2d7c47474 |
12209910900 has 144 divisors (see below), whose sum is σ = 38665316928. Its totient is φ = 2950272000.
The previous prime is 12209910877. The next prime is 12209910949. The reversal of 12209910900 is 901990221.
It is a super-3 number, since 3×122099109003 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1026990 + ... + 1038810.
Almost surely, 212209910900 is an apocalyptic number.
12209910900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12209910900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19332658464).
12209910900 is an abundant number, since it is smaller than the sum of its proper divisors (26455406028).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12209910900 is a wasteful number, since it uses less digits than its factorization.
12209910900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12162 (or 12155 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 33.
The spelling of 12209910900 in words is "twelve billion, two hundred nine million, nine hundred ten thousand, nine hundred".
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