Base | Representation |
---|---|
bin | 10010100110100… |
… | …101000001011001 |
3 | 210202021110211102 |
4 | 102212211001121 |
5 | 1114344244001 |
6 | 50545241145 |
7 | 10506555200 |
oct | 2246450131 |
9 | 722243742 |
10 | 312103001 |
11 | 1501a0671 |
12 | 886331b5 |
13 | 4c877942 |
14 | 2d644237 |
15 | 1c5eee6b |
hex | 129a5059 |
312103001 has 6 divisors (see below), whose sum is σ = 363058650. Its totient is φ = 267516816.
The previous prime is 312102961. The next prime is 312103003. The reversal of 312103001 is 100301213.
It can be written as a sum of positive squares in only one way, i.e., 266472976 + 45630025 = 16324^2 + 6755^2 .
It is not a de Polignac number, because 312103001 - 26 = 312102937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (312103003) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3184676 + ... + 3184773.
It is an arithmetic number, because the mean of its divisors is an integer number (60509775).
Almost surely, 2312103001 is an apocalyptic number.
It is an amenable number.
312103001 is a deficient number, since it is larger than the sum of its proper divisors (50955649).
312103001 is an equidigital number, since it uses as much as digits as its factorization.
312103001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6369463 (or 6369456 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 312103001 is about 17666.4371337290. The cubic root of 312103001 is about 678.3169167521.
Adding to 312103001 its reverse (100301213), we get a palindrome (412404214).
The spelling of 312103001 in words is "three hundred twelve million, one hundred three thousand, one".
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