Base | Representation |
---|---|
bin | 110100110001111010… |
… | …111011001110101001 |
3 | 12102021120120020120010 |
4 | 310301322323032221 |
5 | 1412031024333020 |
6 | 42011303522133 |
7 | 4044246643020 |
oct | 646172731651 |
9 | 172246506503 |
10 | 56672105385 |
11 | 22041a20635 |
12 | ab97459349 |
13 | 546215c28c |
14 | 2a588d58b7 |
15 | 171a4dede0 |
hex | d31ebb3a9 |
56672105385 has 32 divisors (see below), whose sum is σ = 103641603840. Its totient is φ = 25904095488.
The previous prime is 56672105383. The next prime is 56672105387. The reversal of 56672105385 is 58350127665.
It is an interprime number because it is at equal distance from previous prime (56672105383) and next prime (56672105387).
It is not a de Polignac number, because 56672105385 - 21 = 56672105383 is a prime.
It is not an unprimeable number, because it can be changed into a prime (56672105383) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983019 + ... + 1039071.
It is an arithmetic number, because the mean of its divisors is an integer number (3238800120).
Almost surely, 256672105385 is an apocalyptic number.
It is an amenable number.
56672105385 is a deficient number, since it is larger than the sum of its proper divisors (46969498455).
56672105385 is a wasteful number, since it uses less digits than its factorization.
56672105385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65697.
The product of its (nonzero) digits is 1512000, while the sum is 48.
The spelling of 56672105385 in words is "fifty-six billion, six hundred seventy-two million, one hundred five thousand, three hundred eighty-five".
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