Base | Representation |
---|---|
bin | 100100101011011… |
… | …1001101001100101 |
3 | 10011202212001222112 |
4 | 1021112321221211 |
5 | 10010032140234 |
6 | 322043010405 |
7 | 42333055316 |
oct | 11126715145 |
9 | 3152761875 |
10 | 1230740069 |
11 | 5817a2259 |
12 | 2a4209a05 |
13 | 167c98280 |
14 | b965260d |
15 | 730adace |
hex | 495b9a65 |
1230740069 has 16 divisors (see below), whose sum is σ = 1346833152. Its totient is φ = 1117784448.
The previous prime is 1230740053. The next prime is 1230740107. The reversal of 1230740069 is 9600470321.
It is a cyclic number.
It is not a de Polignac number, because 1230740069 - 24 = 1230740053 is a prime.
It is a super-2 number, since 2×12307400692 = 3029442234884249522, 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 (1230740039) 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, 460832 + ... + 463494.
It is an arithmetic number, because the mean of its divisors is an integer number (84177072).
Almost surely, 21230740069 is an apocalyptic number.
It is an amenable number.
1230740069 is a deficient number, since it is larger than the sum of its proper divisors (116093083).
1230740069 is a wasteful number, since it uses less digits than its factorization.
1230740069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3236.
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 1230740069 is about 35081.9051506614. The cubic root of 1230740069 is about 1071.6561156229.
The spelling of 1230740069 in words is "one billion, two hundred thirty million, seven hundred forty thousand, sixty-nine".
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