Base | Representation |
---|---|
bin | 1000111001110000… |
… | …1001001100010011 |
3 | 20011112201111020010 |
4 | 2032130021030103 |
5 | 14343233223410 |
6 | 1033044250003 |
7 | 113135321610 |
oct | 21634111423 |
9 | 6145644203 |
10 | 2389742355 |
11 | 1016a46890 |
12 | 5683a0903 |
13 | 2c1136a40 |
14 | 18954d507 |
15 | debebc20 |
hex | 8e709313 |
2389742355 has 64 divisors (see below), whose sum is σ = 5133800448. Its totient is φ = 916738560.
The previous prime is 2389742351. The next prime is 2389742357. The reversal of 2389742355 is 5532479832.
It is not a de Polignac number, because 2389742355 - 22 = 2389742351 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2389742351) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64564 + ... + 94593.
It is an arithmetic number, because the mean of its divisors is an integer number (80215632).
Almost surely, 22389742355 is an apocalyptic number.
2389742355 is an abundant number, since it is smaller than the sum of its proper divisors (2744058093).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2389742355 is a wasteful number, since it uses less digits than its factorization.
2389742355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159196.
The product of its digits is 1814400, while the sum is 48.
The square root of 2389742355 is about 48884.9911015641. The cubic root of 2389742355 is about 1336.9557302197.
The spelling of 2389742355 in words is "two billion, three hundred eighty-nine million, seven hundred forty-two thousand, three hundred fifty-five".
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