Base | Representation |
---|---|
bin | 111001011100101011… |
… | …0011010100011010000 |
3 | 102210102210001121010000 |
4 | 1302321112122203100 |
5 | 4010124344321133 |
6 | 132401432210000 |
7 | 11625123013614 |
oct | 1627126324320 |
9 | 383383047100 |
10 | 123368745168 |
11 | 48358493239 |
12 | 1baabb39900 |
13 | b8310b8cc6 |
14 | 5d848d9344 |
15 | 3320ad7413 |
hex | 1cb959a8d0 |
123368745168 has 50 divisors (see below), whose sum is σ = 357064944434. Its totient is φ = 41122914624.
The previous prime is 123368745163. The next prime is 123368745211. The reversal of 123368745168 is 861547863321.
123368745168 is a `hidden beast` number, since 1 + 23 + 36 + 8 + 74 + 516 + 8 = 666.
It can be written as a sum of positive squares in only one way, i.e., 101230876224 + 22137868944 = 318168^2 + 148788^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123368745163) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47594671 + ... + 47597262.
Almost surely, 2123368745168 is an apocalyptic number.
123368745168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
123368745168 is an abundant number, since it is smaller than the sum of its proper divisors (233696199266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123368745168 is an equidigital number, since it uses as much as digits as its factorization.
123368745168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95191953 (or 95191938 counting only the distinct ones).
The product of its digits is 5806080, while the sum is 54.
The spelling of 123368745168 in words is "one hundred twenty-three billion, three hundred sixty-eight million, seven hundred forty-five thousand, one hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •