Base | Representation |
---|---|
bin | 100000000000110010… |
… | …0100111111101000010 |
3 | 20120110000110021001212 |
4 | 1000001210213331002 |
5 | 2111242414323121 |
6 | 51325330130122 |
7 | 4652405060420 |
oct | 1000144477502 |
9 | 216400407055 |
10 | 68745854786 |
11 | 27178274224 |
12 | 113a6a20942 |
13 | 66376760ab |
14 | 3482230110 |
15 | 1bc547c25b |
hex | 1001927f42 |
68745854786 has 32 divisors (see below), whose sum is σ = 119808998400. Its totient is φ = 28972987200.
The previous prime is 68745854783. The next prime is 68745854803.
68745854786 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (68745854783) 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, 6605615 + ... + 6616013.
It is an arithmetic number, because the mean of its divisors is an integer number (3744031200).
Almost surely, 268745854786 is an apocalyptic number.
68745854786 is a deficient number, since it is larger than the sum of its proper divisors (51063143614).
68745854786 is a wasteful number, since it uses less digits than its factorization.
68745854786 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18210.
The product of its digits is 361267200, while the sum is 68.
The spelling of 68745854786 in words is "sixty-eight billion, seven hundred forty-five million, eight hundred fifty-four thousand, seven hundred eighty-six".
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