Base | Representation |
---|---|
bin | 111100001100111… |
… | …101100110011001 |
3 | 2121101112220001121 |
4 | 330030331212121 |
5 | 4032031443001 |
6 | 244120245241 |
7 | 34013056540 |
oct | 7414754631 |
9 | 2541486047 |
10 | 1010031001 |
11 | 479155271 |
12 | 242310821 |
13 | 13133cba5 |
14 | 981dd157 |
15 | 5da136a1 |
hex | 3c33d999 |
1010031001 has 16 divisors (see below), whose sum is σ = 1164893184. Its totient is φ = 857850624.
The previous prime is 1010030939. The next prime is 1010031031. The reversal of 1010031001 is 1001300101.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1010031001 - 223 = 1001642393 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is not an unprimeable number, because it can be changed into a prime (1010031031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362325 + ... + 365101.
It is an arithmetic number, because the mean of its divisors is an integer number (72805824).
Almost surely, 21010031001 is an apocalyptic number.
It is an amenable number.
1010031001 is a deficient number, since it is larger than the sum of its proper divisors (154862183).
1010031001 is a wasteful number, since it uses less digits than its factorization.
1010031001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3240.
The product of its (nonzero) digits is 3, while the sum is 7.
The square root of 1010031001 is about 31780.9848966328. The cubic root of 1010031001 is about 1003.3325487817.
Adding to 1010031001 its reverse (1001300101), we get a palindrome (2011331102).
The spelling of 1010031001 in words is "one billion, ten million, thirty-one thousand, one".
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