Base | Representation |
---|---|
bin | 100010110001101010… |
… | …0101001100100000100 |
3 | 21010202122002210110121 |
4 | 1011203110221210010 |
5 | 2210421241122130 |
6 | 54150300431324 |
7 | 5252442224242 |
oct | 1054324514404 |
9 | 233678083417 |
10 | 74680801540 |
11 | 297434025a4 |
12 | 12582548544 |
13 | 7072115ac7 |
14 | 3886547792 |
15 | 1e21514d7a |
hex | 1163529904 |
74680801540 has 24 divisors (see below), whose sum is σ = 156907138752. Its totient is φ = 29857567200.
The previous prime is 74680801513. The next prime is 74680801549. The reversal of 74680801540 is 4510808647.
It is not an unprimeable number, because it can be changed into a prime (74680801549) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880536 + ... + 961615.
It is an arithmetic number, because the mean of its divisors is an integer number (6537797448).
Almost surely, 274680801540 is an apocalyptic number.
It is an amenable number.
74680801540 is an abundant number, since it is smaller than the sum of its proper divisors (82226337212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74680801540 is a wasteful number, since it uses less digits than its factorization.
74680801540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1844187 (or 1844185 counting only the distinct ones).
The product of its (nonzero) digits is 215040, while the sum is 43.
The spelling of 74680801540 in words is "seventy-four billion, six hundred eighty million, eight hundred one thousand, five hundred forty".
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