Base | Representation |
---|---|
bin | 1000010111110000010… |
… | …00111101010111110101 |
3 | 1000111102111100122202100 |
4 | 10023320020331113311 |
5 | 14203032010032022 |
6 | 340045201132313 |
7 | 26531522435016 |
oct | 4137010752765 |
9 | 1014374318670 |
10 | 287630939637 |
11 | 100a90192168 |
12 | 478b302a099 |
13 | 2117b399392 |
14 | dcc84d500d |
15 | 773683c1ac |
hex | 42f823d5f5 |
287630939637 has 12 divisors (see below), whose sum is σ = 416458486080. Its totient is φ = 191296310568.
The previous prime is 287630939489. The next prime is 287630939639. The reversal of 287630939637 is 736939036782.
It is not a de Polignac number, because 287630939637 - 212 = 287630935541 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (287630939639) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38133453 + ... + 38140994.
It is an arithmetic number, because the mean of its divisors is an integer number (34704873840).
Almost surely, 2287630939637 is an apocalyptic number.
It is an amenable number.
287630939637 is a deficient number, since it is larger than the sum of its proper divisors (128827546443).
287630939637 is a wasteful number, since it uses less digits than its factorization.
287630939637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76274872 (or 76274869 counting only the distinct ones).
The product of its (nonzero) digits is 61725888, while the sum is 63.
The spelling of 287630939637 in words is "two hundred eighty-seven billion, six hundred thirty million, nine hundred thirty-nine thousand, six hundred thirty-seven".
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