Base | Representation |
---|---|
bin | 10111001011000011… |
… | …10010010101110000 |
3 | 1012010000111210121102 |
4 | 23211201302111300 |
5 | 200434314232000 |
6 | 5414252543532 |
7 | 620202556064 |
oct | 134541622560 |
9 | 35100453542 |
10 | 12440774000 |
11 | 5304546706 |
12 | 24b2481ba8 |
13 | 1233581045 |
14 | 860397aa4 |
15 | 4cc2da3d5 |
hex | 2e5872570 |
12440774000 has 40 divisors (see below), whose sum is σ = 30081796368. Its totient is φ = 4976308800.
The previous prime is 12440773997. The next prime is 12440774011. The reversal of 12440774000 is 47704421.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3108194 + ... + 3112193.
Almost surely, 212440774000 is an apocalyptic number.
12440774000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12440774000 is an abundant number, since it is smaller than the sum of its proper divisors (17641022368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12440774000 is an equidigital number, since it uses as much as digits as its factorization.
12440774000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6220410 (or 6220394 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 29.
The spelling of 12440774000 in words is "twelve billion, four hundred forty million, seven hundred seventy-four thousand".
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