Base | Representation |
---|---|
bin | 100100011100000010… |
… | …0011101111000110001 |
3 | 21110222101101021021112 |
4 | 1020320010131320301 |
5 | 2240224011401132 |
6 | 55540403203105 |
7 | 5440052634020 |
oct | 1107004357061 |
9 | 243871337245 |
10 | 78250106417 |
11 | 3020516613a |
12 | 131b9976495 |
13 | 74c0739722 |
14 | 3b045c68b7 |
15 | 207ea61ab2 |
hex | 123811de31 |
78250106417 has 32 divisors (see below), whose sum is σ = 92438568960. Its totient is φ = 64838854080.
The previous prime is 78250106401. The next prime is 78250106437. The reversal of 78250106417 is 71460105287.
It is not a de Polignac number, because 78250106417 - 24 = 78250106401 is a prime.
It is a super-2 number, since 2×782501064172 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78250106437) 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, 33858692 + ... + 33861002.
It is an arithmetic number, because the mean of its divisors is an integer number (2888705280).
Almost surely, 278250106417 is an apocalyptic number.
It is an amenable number.
78250106417 is a deficient number, since it is larger than the sum of its proper divisors (14188462543).
78250106417 is a wasteful number, since it uses less digits than its factorization.
78250106417 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3141.
The product of its (nonzero) digits is 94080, while the sum is 41.
The spelling of 78250106417 in words is "seventy-eight billion, two hundred fifty million, one hundred six thousand, four hundred seventeen".
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