Base | Representation |
---|---|
bin | 10110100101111100… |
… | …01110010111001011 |
3 | 1011022022201111102111 |
4 | 23102332032113023 |
5 | 144320120233312 |
6 | 5323332243151 |
7 | 606402503056 |
oct | 132276162713 |
9 | 34268644374 |
10 | 12129461707 |
11 | 5164846120 |
12 | 24261704b7 |
13 | 11b3c2229c |
14 | 830cbba9d |
15 | 4aece48a7 |
hex | 2d2f8e5cb |
12129461707 has 8 divisors (see below), whose sum is σ = 13253593392. Its totient is φ = 11008905600.
The previous prime is 12129461683. The next prime is 12129461753. The reversal of 12129461707 is 70716492121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12129461707 - 215 = 12129428939 is a prime.
It is a super-3 number, since 3×121294617073 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12129461707.
It is not an unprimeable number, because it can be changed into a prime (12129461807) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886794 + ... + 900367.
It is an arithmetic number, because the mean of its divisors is an integer number (1656699174).
Almost surely, 212129461707 is an apocalyptic number.
12129461707 is a deficient number, since it is larger than the sum of its proper divisors (1124131685).
12129461707 is a wasteful number, since it uses less digits than its factorization.
12129461707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1787789.
The product of its (nonzero) digits is 42336, while the sum is 40.
The spelling of 12129461707 in words is "twelve billion, one hundred twenty-nine million, four hundred sixty-one thousand, seven hundred seven".
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