Base | Representation |
---|---|
bin | 1011101101111010… |
… | …1100010001100000 |
3 | 22010012121010010211 |
4 | 2323132230101200 |
5 | 22420204310211 |
6 | 1240040303504 |
7 | 140642221552 |
oct | 27336542140 |
9 | 8105533124 |
10 | 3145385056 |
11 | 1374540390 |
12 | 739471b94 |
13 | 3b18589b8 |
14 | 21ba4d4d2 |
15 | 136210e21 |
hex | bb7ac460 |
3145385056 has 96 divisors (see below), whose sum is σ = 7073111808. Its totient is φ = 1362915840.
The previous prime is 3145384973. The next prime is 3145385081. The reversal of 3145385056 is 6505835413.
3145385056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586090 + ... + 3586966.
It is an arithmetic number, because the mean of its divisors is an integer number (73678248).
Almost surely, 23145385056 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 3145385056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536555904).
3145385056 is an abundant number, since it is smaller than the sum of its proper divisors (3927726752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3145385056 is a wasteful number, since it uses less digits than its factorization.
3145385056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364 (or 1356 counting only the distinct ones).
The product of its (nonzero) digits is 216000, while the sum is 40.
The square root of 3145385056 is about 56083.7325434034. The cubic root of 3145385056 is about 1465.1809824284.
The spelling of 3145385056 in words is "three billion, one hundred forty-five million, three hundred eighty-five thousand, fifty-six".
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