Base | Representation |
---|---|
bin | 111100010100100… |
… | …101111000110111 |
3 | 2121112022111120210 |
4 | 330110211320313 |
5 | 4033034443111 |
6 | 244231200503 |
7 | 34036056534 |
oct | 7424457067 |
9 | 2545274523 |
10 | 1012031031 |
11 | 47a2a0990 |
12 | 242b16133 |
13 | 13189033b |
14 | 9859dd8b |
15 | 5dcab0a6 |
hex | 3c525e37 |
1012031031 has 8 divisors (see below), whose sum is σ = 1472045184. Its totient is φ = 613352120.
The previous prime is 1012031023. The next prime is 1012031039. The reversal of 1012031031 is 1301302101.
It is an interprime number because it is at equal distance from previous prime (1012031023) and next prime (1012031039).
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 1012031031 - 23 = 1012031023 is a prime.
It is a super-2 number, since 2×10120310312 = 2048413615413845922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1012030998 and 1012031016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012031039) 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 7 ways as a sum of consecutive naturals, for example, 15333771 + ... + 15333836.
It is an arithmetic number, because the mean of its divisors is an integer number (184005648).
Almost surely, 21012031031 is an apocalyptic number.
1012031031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1012031031 is a deficient number, since it is larger than the sum of its proper divisors (460014153).
1012031031 is a wasteful number, since it uses less digits than its factorization.
1012031031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30667621.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 1012031031 is about 31812.4351629988. The cubic root of 1012031031 is about 1003.9943674520.
Adding to 1012031031 its reverse (1301302101), we get a palindrome (2313333132).
The spelling of 1012031031 in words is "one billion, twelve million, thirty-one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •