Base | Representation |
---|---|
bin | 1111000111011… |
… | …11000111100001 |
3 | 22211121112121210 |
4 | 13203233013201 |
5 | 224430333140 |
6 | 20325540333 |
7 | 3066566133 |
oct | 743570741 |
9 | 284545553 |
10 | 126808545 |
11 | 65642156 |
12 | 365746a9 |
13 | 2036bc56 |
14 | 12bad053 |
15 | b1ecd80 |
hex | 78ef1e1 |
126808545 has 16 divisors (see below), whose sum is σ = 211715712. Its totient is φ = 64690560.
The previous prime is 126808541. The next prime is 126808547. The reversal of 126808545 is 545808621.
It is not a de Polignac number, because 126808545 - 22 = 126808541 is a prime.
It is not an unprimeable number, because it can be changed into a prime (126808541) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183436 + ... + 184125.
It is an arithmetic number, because the mean of its divisors is an integer number (13232232).
Almost surely, 2126808545 is an apocalyptic number.
126808545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
126808545 is a deficient number, since it is larger than the sum of its proper divisors (84907167).
126808545 is a wasteful number, since it uses less digits than its factorization.
126808545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 367592.
The product of its (nonzero) digits is 76800, while the sum is 39.
The square root of 126808545 is about 11260.9300237591. The cubic root of 126808545 is about 502.3998562843.
The spelling of 126808545 in words is "one hundred twenty-six million, eight hundred eight thousand, five hundred forty-five".
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