Base | Representation |
---|---|
bin | 100000001100110011… |
… | …1100001100010011011 |
3 | 20121111010112210010120 |
4 | 1000121213201202123 |
5 | 2113104203034443 |
6 | 51433340444323 |
7 | 4665404036535 |
oct | 1003147414233 |
9 | 217433483116 |
10 | 69149268123 |
11 | 27364a60681 |
12 | 11499b496a3 |
13 | 66a0111200 |
14 | 34bda42855 |
15 | 1beaab7083 |
hex | 10199e189b |
69149268123 has 48 divisors (see below), whose sum is σ = 101045514240. Its totient is φ = 42041376000.
The previous prime is 69149268077. The next prime is 69149268127. The reversal of 69149268123 is 32186294196.
It is not a de Polignac number, because 69149268123 - 233 = 60559333531 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (69149268127) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14620023 + ... + 14624751.
It is an arithmetic number, because the mean of its divisors is an integer number (2105114880).
Almost surely, 269149268123 is an apocalyptic number.
69149268123 is a deficient number, since it is larger than the sum of its proper divisors (31896246117).
69149268123 is a wasteful number, since it uses less digits than its factorization.
69149268123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5100 (or 5087 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 51.
The spelling of 69149268123 in words is "sixty-nine billion, one hundred forty-nine million, two hundred sixty-eight thousand, one hundred twenty-three".
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