Base | Representation |
---|---|
bin | 100100110000101101… |
… | …110101101001111101 |
3 | 10202212212120210110112 |
4 | 210300231311221331 |
5 | 1121314314401120 |
6 | 30044434315405 |
7 | 2565103463444 |
oct | 446055655175 |
9 | 122785523415 |
10 | 39472028285 |
11 | 15815a27088 |
12 | 7797128b65 |
13 | 3950885771 |
14 | 1ca6413d5b |
15 | 1060495bc5 |
hex | 930b75a7d |
39472028285 has 16 divisors (see below), whose sum is σ = 48956662272. Its totient is φ = 30520065600.
The previous prime is 39472028279. The next prime is 39472028293. The reversal of 39472028285 is 58282027493.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-39472028285 is a prime.
It is a Duffinian number.
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, 39806 + ... + 283775.
It is an arithmetic number, because the mean of its divisors is an integer number (3059791392).
Almost surely, 239472028285 is an apocalyptic number.
It is an amenable number.
39472028285 is a deficient number, since it is larger than the sum of its proper divisors (9484633987).
39472028285 is a wasteful number, since it uses less digits than its factorization.
39472028285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 324404.
The product of its (nonzero) digits is 1935360, while the sum is 50.
The spelling of 39472028285 in words is "thirty-nine billion, four hundred seventy-two million, twenty-eight thousand, two hundred eighty-five".
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