Base | Representation |
---|---|
bin | 1101101111000001… |
… | …0000010101101010 |
3 | 100111221110220022111 |
4 | 3123300100111222 |
5 | 30022314011023 |
6 | 1405502112534 |
7 | 160235536243 |
oct | 33360202552 |
9 | 10457426274 |
10 | 3686860138 |
11 | 1622155655 |
12 | 86a87b74a |
13 | 469aa2b60 |
14 | 26d91dcca |
15 | 168a1d00d |
hex | dbc1056a |
3686860138 has 32 divisors (see below), whose sum is σ = 6108837840. Its totient is φ = 1657981440.
The previous prime is 3686860087. The next prime is 3686860171. The reversal of 3686860138 is 8310686863.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 146967129 + 3539893009 = 12123^2 + 59497^2 .
It is a junction number, because it is equal to n+sod(n) for n = 3686860091 and 3686860100.
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, 1061068 + ... + 1064536.
Almost surely, 23686860138 is an apocalyptic number.
3686860138 is a deficient number, since it is larger than the sum of its proper divisors (2421977702).
3686860138 is a wasteful number, since it uses less digits than its factorization.
3686860138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4522.
The product of its (nonzero) digits is 995328, while the sum is 49.
The square root of 3686860138 is about 60719.5202385526. The cubic root of 3686860138 is about 1544.8472861838.
The spelling of 3686860138 in words is "three billion, six hundred eighty-six million, eight hundred sixty thousand, one hundred thirty-eight".
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