Base | Representation |
---|---|
bin | 100100100000101111… |
… | …101000101101010101 |
3 | 10202012012100210200112 |
4 | 210200233220231111 |
5 | 1120242220022320 |
6 | 30002103052405 |
7 | 2555341021634 |
oct | 444057505525 |
9 | 122165323615 |
10 | 39204064085 |
11 | 1569874366a |
12 | 7721441105 |
13 | 390a1c3474 |
14 | 1c7c9bd51b |
15 | 1046bb3ec5 |
hex | 920be8b55 |
39204064085 has 16 divisors (see below), whose sum is σ = 48216576240. Its totient is φ = 30582888960.
The previous prime is 39204064061. The next prime is 39204064087. The reversal of 39204064085 is 58046040293.
It can be written as a sum of positive squares in 8 ways, for example, as 5433753796 + 33770310289 = 73714^2 + 183767^2 .
It is not a de Polignac number, because 39204064085 - 224 = 39187286869 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (41).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (39204064087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368819 + ... + 463071.
It is an arithmetic number, because the mean of its divisors is an integer number (3013536015).
Almost surely, 239204064085 is an apocalyptic number.
It is an amenable number.
39204064085 is a deficient number, since it is larger than the sum of its proper divisors (9012512155).
39204064085 is a wasteful number, since it uses less digits than its factorization.
39204064085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96328.
The product of its (nonzero) digits is 207360, while the sum is 41.
The spelling of 39204064085 in words is "thirty-nine billion, two hundred four million, sixty-four thousand, eighty-five".
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