Base | Representation |
---|---|
bin | 11100010101100100… |
… | …011111110011001000 |
3 | 2220112111010110220211 |
4 | 130111210133303020 |
5 | 444303211110130 |
6 | 21551112530504 |
7 | 2125000225450 |
oct | 342544376310 |
9 | 86474113824 |
10 | 30426660040 |
11 | 119a4069037 |
12 | 5a919b0a34 |
13 | 2b3b8ac36a |
14 | 1688d8cd60 |
15 | bd1306a2a |
hex | 71591fcc8 |
30426660040 has 64 divisors (see below), whose sum is σ = 82357891200. Its totient is φ = 9882943488.
The previous prime is 30426659981. The next prime is 30426660041. The reversal of 30426660040 is 4006662403.
It is a junction number, because it is equal to n+sod(n) for n = 30426659984 and 30426660011.
It is not an unprimeable number, because it can be changed into a prime (30426660041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2854329 + ... + 2864968.
It is an arithmetic number, because the mean of its divisors is an integer number (1286842050).
Almost surely, 230426660040 is an apocalyptic number.
It is an amenable number.
30426660040 is an abundant number, since it is smaller than the sum of its proper divisors (51931231160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30426660040 is a wasteful number, since it uses less digits than its factorization.
30426660040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5719334 (or 5719330 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 31.
The spelling of 30426660040 in words is "thirty billion, four hundred twenty-six million, six hundred sixty thousand, forty".
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