Base | Representation |
---|---|
bin | 11011111110101011… |
… | …101000001111001101 |
3 | 2212112201112221011202 |
4 | 123332223220033031 |
5 | 443011404404040 |
6 | 21445034155245 |
7 | 2112325225334 |
oct | 337653501715 |
9 | 85481487152 |
10 | 30042653645 |
11 | 11817327384 |
12 | 59a5282b25 |
13 | 2aaa17a744 |
14 | 164dd8cd1b |
15 | bac752015 |
hex | 6feae83cd |
30042653645 has 16 divisors (see below), whose sum is σ = 36649704960. Its totient is φ = 23637479424.
The previous prime is 30042653603. The next prime is 30042653653. The reversal of 30042653645 is 54635624003.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30042653645 - 228 = 29774218189 is a prime.
It is a super-3 number, since 3×300426536453 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30042653599 and 30042653608.
It is a congruent number.
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, 46457 + ... + 249486.
It is an arithmetic number, because the mean of its divisors is an integer number (2290606560).
Almost surely, 230042653645 is an apocalyptic number.
It is an amenable number.
30042653645 is a deficient number, since it is larger than the sum of its proper divisors (6607051315).
30042653645 is a wasteful number, since it uses less digits than its factorization.
30042653645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296284.
The product of its (nonzero) digits is 259200, while the sum is 38.
The spelling of 30042653645 in words is "thirty billion, forty-two million, six hundred fifty-three thousand, six hundred forty-five".
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