Base | Representation |
---|---|
bin | 100101111000101110… |
… | …011001011101010000 |
3 | 10220000001211221121102 |
4 | 211320232121131100 |
5 | 1131303103300410 |
6 | 30404352243532 |
7 | 2640043303106 |
oct | 457056313520 |
9 | 126001757542 |
10 | 40680134480 |
11 | 1628596a157 |
12 | 7a738405a8 |
13 | 3ab3c577bb |
14 | 1d7ca53c76 |
15 | 10d15832a5 |
hex | 978b99750 |
40680134480 has 20 divisors (see below), whose sum is σ = 94581312852. Its totient is φ = 16272053760.
The previous prime is 40680134449. The next prime is 40680134483. The reversal of 40680134480 is 8443108604.
40680134480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 14925020224 + 25755114256 = 122168^2 + 160484^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40680134483) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254250761 + ... + 254250920.
Almost surely, 240680134480 is an apocalyptic number.
40680134480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40680134480 is an abundant number, since it is smaller than the sum of its proper divisors (53901178372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40680134480 is a wasteful number, since it uses less digits than its factorization.
40680134480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 508501694 (or 508501688 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 38.
The spelling of 40680134480 in words is "forty billion, six hundred eighty million, one hundred thirty-four thousand, four hundred eighty".
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