Base | Representation |
---|---|
bin | 1110110001111… |
… | …01110010110001 |
3 | 22122022002112202 |
4 | 13120331302301 |
5 | 223220010243 |
6 | 20145232545 |
7 | 3033566342 |
oct | 730756261 |
9 | 278262482 |
10 | 123985073 |
11 | 63a93903 |
12 | 35632755 |
13 | 1c8c0a64 |
14 | 126760c9 |
15 | ad414b8 |
hex | 763dcb1 |
123985073 has 8 divisors (see below), whose sum is σ = 127510848. Its totient is φ = 120503344.
The previous prime is 123985031. The next prime is 123985087. The reversal of 123985073 is 370589321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123985073 - 26 = 123985009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123985093) 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, 5261 + ... + 16602.
It is an arithmetic number, because the mean of its divisors is an integer number (15938856).
Almost surely, 2123985073 is an apocalyptic number.
It is an amenable number.
123985073 is a deficient number, since it is larger than the sum of its proper divisors (3525775).
123985073 is a wasteful number, since it uses less digits than its factorization.
123985073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22023.
The product of its (nonzero) digits is 45360, while the sum is 38.
The square root of 123985073 is about 11134.8584634022. The cubic root of 123985073 is about 498.6430848940.
It can be divided in two parts, 12398 and 5073, that added together give a palindrome (17471).
The spelling of 123985073 in words is "one hundred twenty-three million, nine hundred eighty-five thousand, seventy-three".
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