Base | Representation |
---|---|
bin | 101001010011010… |
… | …1111000110100101 |
3 | 10120120210022100110 |
4 | 1102212233012211 |
5 | 10314241323432 |
6 | 345304203233 |
7 | 46225560210 |
oct | 12246570645 |
9 | 3516708313 |
10 | 1385886117 |
11 | 651329830 |
12 | 328169519 |
13 | 191179575 |
14 | d20ba777 |
15 | 81a07dcc |
hex | 529af1a5 |
1385886117 has 32 divisors (see below), whose sum is σ = 2312478720. Its totient is φ = 717232320.
The previous prime is 1385886107. The next prime is 1385886143. The reversal of 1385886117 is 7116885831.
It is not a de Polignac number, because 1385886117 - 216 = 1385820581 is a prime.
It is a super-3 number, since 3×13858861173 (a number of 28 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1385886107) 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, 50988 + ... + 73290.
It is an arithmetic number, because the mean of its divisors is an integer number (72264960).
Almost surely, 21385886117 is an apocalyptic number.
It is an amenable number.
1385886117 is a deficient number, since it is larger than the sum of its proper divisors (926592603).
1385886117 is a wasteful number, since it uses less digits than its factorization.
1385886117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22593.
The product of its digits is 322560, while the sum is 48.
The square root of 1385886117 is about 37227.4914142761. The cubic root of 1385886117 is about 1114.9169415363.
The spelling of 1385886117 in words is "one billion, three hundred eighty-five million, eight hundred eighty-six thousand, one hundred seventeen".
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