Base | Representation |
---|---|
bin | 11000000101011000… |
… | …00000101110000000 |
3 | 1020101010001201201212 |
4 | 30002230000232000 |
5 | 202440034243400 |
6 | 5535010345252 |
7 | 635263063226 |
oct | 140254005600 |
9 | 36333051655 |
10 | 12929993600 |
11 | 553570a627 |
12 | 260a28b228 |
13 | 12b0a302b4 |
14 | 8a9344b16 |
15 | 50a224335 |
hex | 302b00b80 |
12929993600 has 96 divisors (see below), whose sum is σ = 32379259440. Its totient is φ = 5101056000.
The previous prime is 12929993599. The next prime is 12929993633. The reversal of 12929993600 is 639992921.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205925 + ... + 261275.
Almost surely, 212929993600 is an apocalyptic number.
12929993600 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 12929993600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16189629720).
12929993600 is an abundant number, since it is smaller than the sum of its proper divisors (19449265840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12929993600 is an equidigital number, since it uses as much as digits as its factorization.
12929993600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55448 (or 55431 counting only the distinct ones).
The product of its (nonzero) digits is 472392, while the sum is 50.
The spelling of 12929993600 in words is "twelve billion, nine hundred twenty-nine million, nine hundred ninety-three thousand, six hundred".
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