Base | Representation |
---|---|
bin | 1011010000111100001… |
… | …01010001011000000101 |
3 | 1101000001022011101001200 |
4 | 11220132011101120011 |
5 | 22320140222130023 |
6 | 453450434213113 |
7 | 36651334430430 |
oct | 5503605213005 |
9 | 1330038141050 |
10 | 387051755013 |
11 | 13a169697290 |
12 | 6301aa24199 |
13 | 2a663bba811 |
14 | 14a3a66a817 |
15 | a104cbb743 |
hex | 5a1e151605 |
387051755013 has 48 divisors (see below), whose sum is σ = 697935638400. Its totient is φ = 200804106240.
The previous prime is 387051755011. The next prime is 387051755029. The reversal of 387051755013 is 310557150783.
387051755013 is a `hidden beast` number, since 3 + 8 + 70 + 5 + 1 + 75 + 501 + 3 = 666.
It is not a de Polignac number, because 387051755013 - 21 = 387051755011 is a prime.
It is a super-2 number, since 2×3870517550132 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 387051755013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387051755011) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169773 + ... + 896061.
It is an arithmetic number, because the mean of its divisors is an integer number (14540325800).
Almost surely, 2387051755013 is an apocalyptic number.
387051755013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
387051755013 is a deficient number, since it is larger than the sum of its proper divisors (310883883387).
387051755013 is a wasteful number, since it uses less digits than its factorization.
387051755013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 727082 (or 727079 counting only the distinct ones).
The product of its (nonzero) digits is 441000, while the sum is 45.
The spelling of 387051755013 in words is "three hundred eighty-seven billion, fifty-one million, seven hundred fifty-five thousand, thirteen".
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