Base | Representation |
---|---|
bin | 1010000000110001… |
… | …1010100001110100 |
3 | 20221022012200101011 |
4 | 2200030122201310 |
5 | 21001011441243 |
6 | 1122404442004 |
7 | 123413204413 |
oct | 24014324164 |
9 | 6838180334 |
10 | 2687608948 |
11 | 115a0a3422 |
12 | 6300a9304 |
13 | 33aa6876b |
14 | 1b6d2947a |
15 | 10ae3889d |
hex | a031a874 |
2687608948 has 12 divisors (see below), whose sum is σ = 4979981412. Its totient is φ = 1264757120.
The previous prime is 2687608921. The next prime is 2687608991. The reversal of 2687608948 is 8498067862.
It can be written as a sum of positive squares in 2 ways, for example, as 837060624 + 1850548324 = 28932^2 + 43018^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2687608892 and 2687608901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19761763 + ... + 19761898.
It is an arithmetic number, because the mean of its divisors is an integer number (414998451).
Almost surely, 22687608948 is an apocalyptic number.
It is an amenable number.
2687608948 is a deficient number, since it is larger than the sum of its proper divisors (2292372464).
2687608948 is a wasteful number, since it uses less digits than its factorization.
2687608948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39523682 (or 39523680 counting only the distinct ones).
The product of its (nonzero) digits is 9289728, while the sum is 58.
The square root of 2687608948 is about 51842.1541604899. The cubic root of 2687608948 is about 1390.3432287336.
The spelling of 2687608948 in words is "two billion, six hundred eighty-seven million, six hundred eight thousand, nine hundred forty-eight".
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