Base | Representation |
---|---|
bin | 111100001101010… |
… | …101110001101111 |
3 | 2121101201220220101 |
4 | 330031111301233 |
5 | 4032043130111 |
6 | 244122331531 |
7 | 34013651341 |
oct | 7415256157 |
9 | 2541656811 |
10 | 1010130031 |
11 | 479212709 |
12 | 242359ba7 |
13 | 131375ca1 |
14 | 98227291 |
15 | 5da32bc1 |
hex | 3c355c6f |
1010130031 has 4 divisors (see below), whose sum is σ = 1054048752. Its totient is φ = 966211312.
The previous prime is 1010130029. The next prime is 1010130067. The reversal of 1010130031 is 1300310101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300310101 = 223 ⋅5830987.
It is a cyclic number.
It is not a de Polignac number, because 1010130031 - 21 = 1010130029 is a prime.
It is a super-2 number, since 2×10101300312 = 2040725359056121922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1010130631) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21959326 + ... + 21959371.
It is an arithmetic number, because the mean of its divisors is an integer number (263512188).
Almost surely, 21010130031 is an apocalyptic number.
1010130031 is a deficient number, since it is larger than the sum of its proper divisors (43918721).
1010130031 is an equidigital number, since it uses as much as digits as its factorization.
1010130031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43918720.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 1010130031 is about 31782.5428655418. The cubic root of 1010130031 is about 1003.3653387901.
Adding to 1010130031 its reverse (1300310101), we get a palindrome (2310440132).
The spelling of 1010130031 in words is "one billion, ten million, one hundred thirty thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •