Base | Representation |
---|---|
bin | 111110101011000… |
… | …101010000101011 |
3 | 2201021112202221121 |
4 | 332223011100223 |
5 | 4123134344011 |
6 | 252200520111 |
7 | 35025304441 |
oct | 7653052053 |
9 | 2637482847 |
10 | 1051481131 |
11 | 49a596378 |
12 | 254180037 |
13 | 139ac37ac |
14 | 9d90cb91 |
15 | 6249ee71 |
hex | 3eac542b |
1051481131 has 2 divisors, whose sum is σ = 1051481132. Its totient is φ = 1051481130.
The previous prime is 1051481117. The next prime is 1051481149. The reversal of 1051481131 is 1311841501.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1051481131 - 225 = 1017926699 is a prime.
It is a super-2 number, since 2×10514811312 = 2211225137698078322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1051481096 and 1051481105.
It is not a weakly prime, because it can be changed into another prime (1051481191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525740565 + 525740566.
It is an arithmetic number, because the mean of its divisors is an integer number (525740566).
Almost surely, 21051481131 is an apocalyptic number.
1051481131 is a deficient number, since it is larger than the sum of its proper divisors (1).
1051481131 is an equidigital number, since it uses as much as digits as its factorization.
1051481131 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 25.
The square root of 1051481131 is about 32426.5497856309. The cubic root of 1051481131 is about 1016.8740421670.
The spelling of 1051481131 in words is "one billion, fifty-one million, four hundred eighty-one thousand, one hundred thirty-one".
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