Base | Representation |
---|---|
bin | 111001011010110101… |
… | …0111111111110011000 |
3 | 102210021110221021012121 |
4 | 1302311222333332120 |
5 | 4010013100014342 |
6 | 132351345351024 |
7 | 11623443324331 |
oct | 1626552777630 |
9 | 383243837177 |
10 | 123307032472 |
11 | 48326672608 |
12 | 1ba93338474 |
13 | b82138c610 |
14 | 5d7a633288 |
15 | 331a497067 |
hex | 1cb5abff98 |
123307032472 has 32 divisors (see below), whose sum is σ = 249151770000. Its totient is φ = 56872900224.
The previous prime is 123307032439. The next prime is 123307032487. The reversal of 123307032472 is 274230703321.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239583 + ... + 551374.
Almost surely, 2123307032472 is an apocalyptic number.
It is an amenable number.
123307032472 is an abundant number, since it is smaller than the sum of its proper divisors (125844737528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123307032472 is a wasteful number, since it uses less digits than its factorization.
123307032472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 792475 (or 792471 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 34.
Adding to 123307032472 its reverse (274230703321), we get a palindrome (397537735793).
The spelling of 123307032472 in words is "one hundred twenty-three billion, three hundred seven million, thirty-two thousand, four hundred seventy-two".
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