Base | Representation |
---|---|
bin | 111001101101000001… |
… | …0111010101011111110 |
3 | 102211212000020011020200 |
4 | 1303122002322223332 |
5 | 4012240311011141 |
6 | 132532105224330 |
7 | 11644533342525 |
oct | 1633202725376 |
9 | 384760204220 |
10 | 123917282046 |
11 | 4860a0910a8 |
12 | 200237920a6 |
13 | b8ba93653c |
14 | 5dd76c74bc |
15 | 3353d3bab6 |
hex | 1cda0baafe |
123917282046 has 12 divisors (see below), whose sum is σ = 268487444472. Its totient is φ = 41305760676.
The previous prime is 123917282023. The next prime is 123917282059. The reversal of 123917282046 is 640282719321.
It is a super-2 number, since 2×1239172820462 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 123917281992 and 123917282010.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3442146706 + ... + 3442146741.
It is an arithmetic number, because the mean of its divisors is an integer number (22373953706).
Almost surely, 2123917282046 is an apocalyptic number.
123917282046 is an abundant number, since it is smaller than the sum of its proper divisors (144570162426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123917282046 is a wasteful number, since it uses less digits than its factorization.
123917282046 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6884293455 (or 6884293452 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 123917282046 in words is "one hundred twenty-three billion, nine hundred seventeen million, two hundred eighty-two thousand, forty-six".
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