Base | Representation |
---|---|
bin | 100111000010101… |
… | …0000011101101001 |
3 | 10101021222221112121 |
4 | 1032011100131221 |
5 | 10140330013001 |
6 | 333553511241 |
7 | 44314552621 |
oct | 11605203551 |
9 | 3337887477 |
10 | 1310001001 |
11 | 612509161 |
12 | 306872521 |
13 | 17b52a12a |
14 | c5da5881 |
15 | 7a0186a1 |
hex | 4e150769 |
1310001001 has 8 divisors (see below), whose sum is σ = 1314459104. Its totient is φ = 1305551520.
The previous prime is 1310000981. The next prime is 1310001067. The reversal of 1310001001 is 1001000131.
It is a happy number.
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 1310001001 - 25 = 1310000969 is a prime.
It is a super-2 number, since 2×13100010012 = 3432205245242004002, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1310001101) 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, 442141 + ... + 445093.
It is an arithmetic number, because the mean of its divisors is an integer number (164307388).
Almost surely, 21310001001 is an apocalyptic number.
It is an amenable number.
1310001001 is a deficient number, since it is larger than the sum of its proper divisors (4458103).
1310001001 is an equidigital number, since it uses as much as digits as its factorization.
1310001001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4311.
The product of its (nonzero) digits is 3, while the sum is 7.
The square root of 1310001001 is about 36193.9359699936. The cubic root of 1310001001 is about 1094.1844600602.
Adding to 1310001001 its reverse (1001000131), we get a palindrome (2311001132).
The spelling of 1310001001 in words is "one billion, three hundred ten million, one thousand, one".
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