Base | Representation |
---|---|
bin | 10010100110100… |
… | …100100011101111 |
3 | 210202021101020010 |
4 | 102212210203233 |
5 | 1114344213403 |
6 | 50545224303 |
7 | 10506546516 |
oct | 2246444357 |
9 | 722241203 |
10 | 312101103 |
11 | 15019a1a6 |
12 | 88632093 |
13 | 4c876b12 |
14 | 2d64367d |
15 | 1c5ee603 |
hex | 129a48ef |
312101103 has 32 divisors (see below), whose sum is σ = 443842560. Its totient is φ = 194745600.
The previous prime is 312101093. The next prime is 312101159. The reversal of 312101103 is 301101213.
It is not a de Polignac number, because 312101103 - 28 = 312100847 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312101183) 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, 519003 + ... + 519603.
It is an arithmetic number, because the mean of its divisors is an integer number (13870080).
Almost surely, 2312101103 is an apocalyptic number.
312101103 is a deficient number, since it is larger than the sum of its proper divisors (131741457).
312101103 is a wasteful number, since it uses less digits than its factorization.
312101103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 807.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 312101103 is about 17666.3834159683. The cubic root of 312101103 is about 678.3155417273.
Adding to 312101103 its reverse (301101213), we get a palindrome (613202316).
The spelling of 312101103 in words is "three hundred twelve million, one hundred one thousand, one hundred three".
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