Base | Representation |
---|---|
bin | 111100010100100… |
… | …001001111111111 |
3 | 2121112021112112002 |
4 | 330110201033333 |
5 | 4033033341111 |
6 | 244230532515 |
7 | 34035650252 |
oct | 7424411777 |
9 | 2545245462 |
10 | 1012012031 |
11 | 47a288688 |
12 | 242b0713b |
13 | 1318847b4 |
14 | 98597099 |
15 | 5dca563b |
hex | 3c5213ff |
1012012031 has 2 divisors, whose sum is σ = 1012012032. Its totient is φ = 1012012030.
The previous prime is 1012012003. The next prime is 1012012033. The reversal of 1012012031 is 1302102101.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1012012031 - 218 = 1011749887 is a prime.
It is a super-2 number, since 2×10120120312 = 2048336701777489922, which contains 22 as substring.
Together with 1012012033, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1012012033) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506006015 + 506006016.
It is an arithmetic number, because the mean of its divisors is an integer number (506006016).
Almost surely, 21012012031 is an apocalyptic number.
1012012031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012012031 is an equidigital number, since it uses as much as digits as its factorization.
1012012031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12, while the sum is 11.
The square root of 1012012031 is about 31812.1365362341. The cubic root of 1012012031 is about 1003.9880843731.
Adding to 1012012031 its reverse (1302102101), we get a palindrome (2314114132).
The spelling of 1012012031 in words is "one billion, twelve million, twelve thousand, thirty-one".
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