Base | Representation |
---|---|
bin | 10111110000110100… |
… | …01001110111111110 |
3 | 1012221002120012100110 |
4 | 23320122021313332 |
5 | 202111412242400 |
6 | 5505530210450 |
7 | 631100206122 |
oct | 137032116776 |
9 | 35832505313 |
10 | 12757540350 |
11 | 5457331985 |
12 | 2580583a26 |
13 | 128409c459 |
14 | 890493582 |
15 | 4ea00be50 |
hex | 2f8689dfe |
12757540350 has 192 divisors, whose sum is σ = 34422796800. Its totient is φ = 3114946560.
The previous prime is 12757540349. The next prime is 12757540379. The reversal of 12757540350 is 5304575721.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12757540299 and 12757540308.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15205231 + ... + 15206069.
It is an arithmetic number, because the mean of its divisors is an integer number (179285400).
Almost surely, 212757540350 is an apocalyptic number.
12757540350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12757540350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17211398400).
12757540350 is an abundant number, since it is smaller than the sum of its proper divisors (21665256450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12757540350 is a wasteful number, since it uses less digits than its factorization.
12757540350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1027 (or 1022 counting only the distinct ones).
The product of its (nonzero) digits is 147000, while the sum is 39.
The spelling of 12757540350 in words is "twelve billion, seven hundred fifty-seven million, five hundred forty thousand, three hundred fifty".
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