Base | Representation |
---|---|
bin | 100111000010110… |
… | …1101110000101001 |
3 | 10101022020001011001 |
4 | 1032011231300221 |
5 | 10140342333001 |
6 | 334000235001 |
7 | 44315562520 |
oct | 11605556051 |
9 | 3338201131 |
10 | 1310121001 |
11 | 612590332 |
12 | 30690ba61 |
13 | 17b56c937 |
14 | c5dd74b7 |
15 | 7a03e001 |
hex | 4e16dc29 |
1310121001 has 8 divisors (see below), whose sum is σ = 1498451264. Its totient is φ = 1122083280.
The previous prime is 1310120993. The next prime is 1310121017. The reversal of 1310121001 is 1001210131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1310121001 - 23 = 1310120993 is a prime.
It is a super-2 number, since 2×13101210012 = 3432834074522484002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1310161001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63450 + ... + 81523.
It is an arithmetic number, because the mean of its divisors is an integer number (187306408).
Almost surely, 21310121001 is an apocalyptic number.
It is an amenable number.
1310121001 is a deficient number, since it is larger than the sum of its proper divisors (188330263).
1310121001 is a wasteful number, since it uses less digits than its factorization.
1310121001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146271.
The product of its (nonzero) digits is 6, while the sum is 10.
The square root of 1310121001 is about 36195.5936682906. The cubic root of 1310121001 is about 1094.2178692271.
Adding to 1310121001 its reverse (1001210131), we get a palindrome (2311331132).
The spelling of 1310121001 in words is "one billion, three hundred ten million, one hundred twenty-one thousand, one".
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