Base | Representation |
---|---|
bin | 111110111010001… |
… | …110011110010111 |
3 | 2201120000110121221 |
4 | 332322032132113 |
5 | 4130143413111 |
6 | 252421551211 |
7 | 35104120465 |
oct | 7672163627 |
9 | 2646013557 |
10 | 1055451031 |
11 | 4a1857a88 |
12 | 255575507 |
13 | 13a88374b |
14 | a0263835 |
15 | 629d6371 |
hex | 3ee8e797 |
1055451031 has 2 divisors, whose sum is σ = 1055451032. Its totient is φ = 1055451030.
The previous prime is 1055451013. The next prime is 1055451037. The reversal of 1055451031 is 1301545501.
It is a happy number.
Together with previous prime (1055451013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is an emirp because it is prime and its reverse (1301545501) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1055451031 - 25 = 1055450999 is a prime.
It is a super-2 number, since 2×10554510312 = 2227953757677925922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1055450987 and 1055451005.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1055451037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527725515 + 527725516.
It is an arithmetic number, because the mean of its divisors is an integer number (527725516).
Almost surely, 21055451031 is an apocalyptic number.
1055451031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1055451031 is an equidigital number, since it uses as much as digits as its factorization.
1055451031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1500, while the sum is 25.
The square root of 1055451031 is about 32487.7058439035. The cubic root of 1055451031 is about 1018.1521815790.
Adding to 1055451031 its reverse (1301545501), we get a palindrome (2356996532).
The spelling of 1055451031 in words is "one billion, fifty-five million, four hundred fifty-one thousand, thirty-one".
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