Base | Representation |
---|---|
bin | 100100001100110… |
… | …1111011101011110 |
3 | 10010122200112111112 |
4 | 1020121233131132 |
5 | 4441431120200 |
6 | 320311222022 |
7 | 42046562300 |
oct | 11031573536 |
9 | 3118615445 |
10 | 1214707550 |
11 | 573741841 |
12 | 29a977912 |
13 | 164873984 |
14 | b747b970 |
15 | 71993535 |
hex | 4866f75e |
1214707550 has 36 divisors (see below), whose sum is σ = 2628235800. Its totient is φ = 416470320.
The previous prime is 1214707523. The next prime is 1214707553. The reversal of 1214707550 is 557074121.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214707553) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 245450 + ... + 250349.
It is an arithmetic number, because the mean of its divisors is an integer number (73006550).
Almost surely, 21214707550 is an apocalyptic number.
1214707550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1214707550 is an abundant number, since it is smaller than the sum of its proper divisors (1413528250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214707550 is a wasteful number, since it uses less digits than its factorization.
1214707550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495825 (or 495813 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 1214707550 is about 34852.6548486625. The cubic root of 1214707550 is about 1066.9823702015.
The spelling of 1214707550 in words is "one billion, two hundred fourteen million, seven hundred seven thousand, five hundred fifty".
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