Base | Representation |
---|---|
bin | 111001101001111110… |
… | …0000100001100100000 |
3 | 102211120212102200102122 |
4 | 1303103330010030200 |
5 | 4012033043311223 |
6 | 132514005203412 |
7 | 11642150425304 |
oct | 1632374041440 |
9 | 384525380378 |
10 | 123814822688 |
11 | 4856726a947 |
12 | 1bbb5400568 |
13 | b8a26414bb |
14 | 5dc7c55d04 |
15 | 3349d4d5c8 |
hex | 1cd3f04320 |
123814822688 has 54 divisors (see below), whose sum is σ = 259013530881. Its totient is φ = 58249874944.
The previous prime is 123814822679. The next prime is 123814822693. The reversal of 123814822688 is 886228418321.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 113318410384 + 10496412304 = 336628^2 + 102452^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=248812.
It is a super-2 number, since 2×1238148226882 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33836603 + ... + 33840261.
Almost surely, 2123814822688 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123814822688
123814822688 is an abundant number, since it is smaller than the sum of its proper divisors (135198708193).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123814822688 is an frugal number, since it uses more digits than its factorization.
123814822688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7362 (or 3678 counting only the distinct ones).
The product of its digits is 2359296, while the sum is 53.
The spelling of 123814822688 in words is "one hundred twenty-three billion, eight hundred fourteen million, eight hundred twenty-two thousand, six hundred eighty-eight".
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