Base | Representation |
---|---|
bin | 1111001000010… |
… | …00100001011111 |
3 | 22211210211100221 |
4 | 13210020201133 |
5 | 224442200412 |
6 | 20332102211 |
7 | 3100511413 |
oct | 744104137 |
9 | 284724327 |
10 | 126912607 |
11 | 65703358 |
12 | 36604967 |
13 | 203a7423 |
14 | 12bd8d43 |
15 | b21db07 |
hex | 790885f |
126912607 has 4 divisors (see below), whose sum is σ = 126982240. Its totient is φ = 126842976.
The previous prime is 126912601. The next prime is 126912623. The reversal of 126912607 is 706219621.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706219621 = 149 ⋅4739729.
It is a cyclic number.
It is not a de Polignac number, because 126912607 - 215 = 126879839 is a prime.
It is a super-2 number, since 2×1269126072 = 32213619631072898, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126912601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32007 + ... + 35752.
It is an arithmetic number, because the mean of its divisors is an integer number (31745560).
Almost surely, 2126912607 is an apocalyptic number.
126912607 is a deficient number, since it is larger than the sum of its proper divisors (69633).
126912607 is an equidigital number, since it uses as much as digits as its factorization.
126912607 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69632.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 126912607 is about 11265.5495649347. The cubic root of 126912607 is about 502.5372456572.
The spelling of 126912607 in words is "one hundred twenty-six million, nine hundred twelve thousand, six hundred seven".
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