Base | Representation |
---|---|
bin | 10010001011100101100… |
… | …101000001000101100000 |
3 | 11102102220021211221121020 |
4 | 102023211211001011200 |
5 | 130432223400431310 |
6 | 2353543550525440 |
7 | 156160050331131 |
oct | 22134545010540 |
9 | 4372807757536 |
10 | 1249392202080 |
11 | 441956365610 |
12 | 182182b06880 |
13 | 90a8145b699 |
14 | 44684241c88 |
15 | 22776022170 |
hex | 122e5941160 |
1249392202080 has 768 divisors, whose sum is σ = 4586919321600. Its totient is φ = 282686423040.
The previous prime is 1249392202043. The next prime is 1249392202103. The reversal of 1249392202080 is 802022939421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3480200941 + ... + 3480201299.
It is an arithmetic number, because the mean of its divisors is an integer number (5972551200).
Almost surely, 21249392202080 is an apocalyptic number.
1249392202080 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 1249392202080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2293459660800).
1249392202080 is an abundant number, since it is smaller than the sum of its proper divisors (3337527119520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1249392202080 is a wasteful number, since it uses less digits than its factorization.
1249392202080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827 (or 819 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 42.
The spelling of 1249392202080 in words is "one trillion, two hundred forty-nine billion, three hundred ninety-two million, two hundred two thousand, eighty".
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