Base | Representation |
---|---|
bin | 100101011111100001… |
… | …001001100000100000 |
3 | 10211220121002012221010 |
4 | 211133201021200200 |
5 | 1124421322342010 |
6 | 30254404100520 |
7 | 2623416550026 |
oct | 453741114040 |
9 | 124817065833 |
10 | 40257230880 |
11 | 16089180449 |
12 | 7976094740 |
13 | 3a47457299 |
14 | 1d3c80a716 |
15 | 10a9398620 |
hex | 95f849820 |
40257230880 has 96 divisors (see below), whose sum is σ = 129903274368. Its totient is φ = 10473420800.
The previous prime is 40257230833. The next prime is 40257230899. The reversal of 40257230880 is 8803275204.
It is a tau number, because it is divible by the number of its divisors (96).
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, 1003116 + ... + 1042475.
It is an arithmetic number, because the mean of its divisors is an integer number (1353159108).
Almost surely, 240257230880 is an apocalyptic number.
40257230880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
40257230880 is an abundant number, since it is smaller than the sum of its proper divisors (89646043488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40257230880 is a wasteful number, since it uses less digits than its factorization.
40257230880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2045650 (or 2045642 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 39.
The spelling of 40257230880 in words is "forty billion, two hundred fifty-seven million, two hundred thirty thousand, eight hundred eighty".
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