Base | Representation |
---|---|
bin | 11100000011100001… |
… | …110001011101110000 |
3 | 2212202101112112011001 |
4 | 130003201301131300 |
5 | 443143213043310 |
6 | 21501100531344 |
7 | 2114333254561 |
oct | 340341613560 |
9 | 85671475131 |
10 | 30123956080 |
11 | 11859208079 |
12 | 5a08550b54 |
13 | 2ac0c758aa |
14 | 165aab4168 |
15 | bb496193a |
hex | 703871770 |
30123956080 has 20 divisors (see below), whose sum is σ = 70038198072. Its totient is φ = 12049582400.
The previous prime is 30123956077. The next prime is 30123956119. The reversal of 30123956080 is 8065932103.
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188274646 + ... + 188274805.
Almost surely, 230123956080 is an apocalyptic number.
It is an amenable number.
30123956080 is an abundant number, since it is smaller than the sum of its proper divisors (39914241992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30123956080 is a wasteful number, since it uses less digits than its factorization.
30123956080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376549464 (or 376549458 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 37.
The spelling of 30123956080 in words is "thirty billion, one hundred twenty-three million, nine hundred fifty-six thousand, eighty".
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