Base | Representation |
---|---|
bin | 110111111011111100… |
… | …0111010110100010000 |
3 | 102111001120122011221020 |
4 | 1233313320322310100 |
5 | 3432002442312240 |
6 | 131103404555440 |
7 | 11451521512035 |
oct | 1576770726420 |
9 | 374046564836 |
10 | 120123010320 |
11 | 46a42342645 |
12 | 1b344b52b80 |
13 | b434826541 |
14 | 5b5780738c |
15 | 31d0ba30d0 |
hex | 1bf7e3ad10 |
120123010320 has 80 divisors (see below), whose sum is σ = 381463834752. Its totient is φ = 31251512320.
The previous prime is 120123010313. The next prime is 120123010333. The reversal of 120123010320 is 23010321021.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 120123010320.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6093972 + ... + 6113651.
Almost surely, 2120123010320 is an apocalyptic number.
120123010320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120123010320 is an abundant number, since it is smaller than the sum of its proper divisors (261340824432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120123010320 is a wasteful number, since it uses less digits than its factorization.
120123010320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12207680 (or 12207674 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 120123010320 its reverse (23010321021), we get a palindrome (143133331341).
The spelling of 120123010320 in words is "one hundred twenty billion, one hundred twenty-three million, ten thousand, three hundred twenty".
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