Base | Representation |
---|---|
bin | 11100000011110011… |
… | …110011010001010110 |
3 | 2212202201102121222201 |
4 | 130003303303101112 |
5 | 443200420311240 |
6 | 21501350115114 |
7 | 2114421400144 |
oct | 340363632126 |
9 | 85681377881 |
10 | 30128682070 |
11 | 11860945853 |
12 | 5a0a04ba9a |
13 | 2ac1c3ba36 |
14 | 165b584594 |
15 | bb5096d9a |
hex | 703cf3456 |
30128682070 has 32 divisors (see below), whose sum is σ = 55998915840. Its totient is φ = 11658990720.
The previous prime is 30128682061. The next prime is 30128682091. The reversal of 30128682070 is 7028682103.
It is a congruent number.
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, 1081476 + ... + 1108984.
It is an arithmetic number, because the mean of its divisors is an integer number (1749966120).
Almost surely, 230128682070 is an apocalyptic number.
30128682070 is a deficient number, since it is larger than the sum of its proper divisors (25870233770).
30128682070 is a wasteful number, since it uses less digits than its factorization.
30128682070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31080.
The product of its (nonzero) digits is 32256, while the sum is 37.
The spelling of 30128682070 in words is "thirty billion, one hundred twenty-eight million, six hundred eighty-two thousand, seventy".
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