Base | Representation |
---|---|
bin | 1010101100111001… |
… | …1111101010110000 |
3 | 21102012111110121000 |
4 | 2223032133222300 |
5 | 21340403004124 |
6 | 1153020002000 |
7 | 131121402225 |
oct | 25316375260 |
9 | 7365443530 |
10 | 2872703664 |
11 | 1244625866 |
12 | 682090300 |
13 | 36a20456c |
14 | 1d374b94c |
15 | 11c2eb6c9 |
hex | ab39fab0 |
2872703664 has 80 divisors (see below), whose sum is σ = 8252150400. Its totient is φ = 956821824.
The previous prime is 2872703633. The next prime is 2872703693. The reversal of 2872703664 is 4663072782.
2872703664 is a `hidden beast` number, since 287 + 2 + 7 + 0 + 366 + 4 = 666.
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, 1009027 + ... + 1011869.
It is an arithmetic number, because the mean of its divisors is an integer number (103151880).
Almost surely, 22872703664 is an apocalyptic number.
2872703664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
2872703664 is an abundant number, since it is smaller than the sum of its proper divisors (5379446736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872703664 is a wasteful number, since it uses less digits than its factorization.
2872703664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5199 (or 5187 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The square root of 2872703664 is about 53597.6087526300. The cubic root of 2872703664 is about 1421.5548108775.
The spelling of 2872703664 in words is "two billion, eight hundred seventy-two million, seven hundred three thousand, six hundred sixty-four".
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