Base | Representation |
---|---|
bin | 1011111110001011… |
… | …00101011101111000 |
3 | 121120220210102201220 |
4 | 11333011211131320 |
5 | 101130321403122 |
6 | 2541431512040 |
7 | 315161525256 |
oct | 57705453570 |
9 | 17526712656 |
10 | 6427137912 |
11 | 27a8a51928 |
12 | 12b4528620 |
13 | 7b571c6b0 |
14 | 44d8395d6 |
15 | 2793ac25c |
hex | 17f165778 |
6427137912 has 128 divisors (see below), whose sum is σ = 18491457600. Its totient is φ = 1844011008.
The previous prime is 6427137907. The next prime is 6427137949. The reversal of 6427137912 is 2197317246.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572578 + ... + 583694.
Almost surely, 26427137912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6427137912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9245728800).
6427137912 is an abundant number, since it is smaller than the sum of its proper divisors (12064319688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6427137912 is a wasteful number, since it uses less digits than its factorization.
6427137912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11265 (or 11261 counting only the distinct ones).
The product of its digits is 127008, while the sum is 42.
The square root of 6427137912 is about 80169.4325288635. The cubic root of 6427137912 is about 1859.2560627627.
The spelling of 6427137912 in words is "six billion, four hundred twenty-seven million, one hundred thirty-seven thousand, nine hundred twelve".
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