Base | Representation |
---|---|
bin | 110000000110111… |
… | …100010000110101 |
3 | 2002020202020211010 |
4 | 300012330100311 |
5 | 3123111013234 |
6 | 212031302433 |
7 | 26000313141 |
oct | 6006742065 |
9 | 2066666733 |
10 | 807126069 |
11 | 384668842 |
12 | 1a637aa19 |
13 | cb2a95b9 |
14 | 792a2221 |
15 | 4acd36e9 |
hex | 301bc435 |
807126069 has 4 divisors (see below), whose sum is σ = 1076168096. Its totient is φ = 538084044.
The previous prime is 807126031. The next prime is 807126107. The reversal of 807126069 is 960621708.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (807126031) and next prime (807126107).
It is not a de Polignac number, because 807126069 - 223 = 798737461 is a prime.
It is a super-2 number, since 2×8071260692 = 1302904982518785522, 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 (807126169) 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, 134521009 + ... + 134521014.
It is an arithmetic number, because the mean of its divisors is an integer number (269042024).
Almost surely, 2807126069 is an apocalyptic number.
It is an amenable number.
807126069 is a deficient number, since it is larger than the sum of its proper divisors (269042027).
807126069 is a wasteful number, since it uses less digits than its factorization.
807126069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269042026.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 807126069 is about 28409.9642555213. The cubic root of 807126069 is about 931.0659796802.
The spelling of 807126069 in words is "eight hundred seven million, one hundred twenty-six thousand, sixty-nine".
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