Base | Representation |
---|---|
bin | 111111011100100110… |
… | …010100011010100011 |
3 | 20111211210020002222010 |
4 | 333130212110122203 |
5 | 2104010114321201 |
6 | 51144010444003 |
7 | 4631133360450 |
oct | 773446243243 |
9 | 214753202863 |
10 | 68125542051 |
11 | 2698a102076 |
12 | 11253133603 |
13 | 6568cb7938 |
14 | 3423aba827 |
15 | 1b8ac9abd6 |
hex | fdc9946a3 |
68125542051 has 32 divisors (see below), whose sum is σ = 104615239680. Its totient is φ = 38628211104.
The previous prime is 68125541983. The next prime is 68125542073. The reversal of 68125542051 is 15024552186.
It is not a de Polignac number, because 68125542051 - 210 = 68125541027 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68125542091) 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, 1396396 + ... + 1444358.
It is an arithmetic number, because the mean of its divisors is an integer number (3269226240).
Almost surely, 268125542051 is an apocalyptic number.
68125542051 is a deficient number, since it is larger than the sum of its proper divisors (36489697629).
68125542051 is a wasteful number, since it uses less digits than its factorization.
68125542051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48495.
The product of its (nonzero) digits is 96000, while the sum is 39.
The spelling of 68125542051 in words is "sixty-eight billion, one hundred twenty-five million, five hundred forty-two thousand, fifty-one".
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