Base | Representation |
---|---|
bin | 10010111011111111011110… |
… | …111010011101101000010101 |
3 | 101220220012110122100001120110 |
4 | 102323333132322131220111 |
5 | 41404040144340020110 |
6 | 453045420542153233 |
7 | 23354214446054343 |
oct | 2273773672355025 |
9 | 356805418301513 |
10 | 83287450704405 |
11 | 245a1011694642 |
12 | 94117ba882819 |
13 | 3761c8560450c |
14 | 167d1c4066993 |
15 | 99676ec66a20 |
hex | 4bbfdee9da15 |
83287450704405 has 16 divisors (see below), whose sum is σ = 134004389964480. Its totient is φ = 44171817429888.
The previous prime is 83287450704391. The next prime is 83287450704503. The reversal of 83287450704405 is 50440705478238.
It is not a de Polignac number, because 83287450704405 - 24 = 83287450704389 is a prime.
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, 15509764672 + ... + 15509770041.
It is an arithmetic number, because the mean of its divisors is an integer number (8375274372780).
Almost surely, 283287450704405 is an apocalyptic number.
It is an amenable number.
83287450704405 is a deficient number, since it is larger than the sum of its proper divisors (50716939260075).
83287450704405 is a wasteful number, since it uses less digits than its factorization.
83287450704405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31019534900.
The product of its (nonzero) digits is 30105600, while the sum is 57.
The spelling of 83287450704405 in words is "eighty-three trillion, two hundred eighty-seven billion, four hundred fifty million, seven hundred four thousand, four hundred five".
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