Base | Representation |
---|---|
bin | 11100011010001010… |
… | …010001110000100110 |
3 | 2220201212001010122212 |
4 | 130122022101300212 |
5 | 444432420012440 |
6 | 22002503323422 |
7 | 2126623640606 |
oct | 343212216046 |
9 | 86655033585 |
10 | 30503672870 |
11 | 11a33589a00 |
12 | 5ab3750572 |
13 | 2b51834b98 |
14 | 16952b8c06 |
15 | bd7e6a465 |
hex | 71a291c26 |
30503672870 has 96 divisors (see below), whose sum is σ = 61104341088. Its totient is φ = 10954944000.
The previous prime is 30503672821. The next prime is 30503672879. The reversal of 30503672870 is 7827630503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30503672879) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40083290 + ... + 40084050.
It is an arithmetic number, because the mean of its divisors is an integer number (636503553).
Almost surely, 230503672870 is an apocalyptic number.
30503672870 is an abundant number, since it is smaller than the sum of its proper divisors (30600668218).
30503672870 is a wasteful number, since it uses less digits than its factorization.
30503672870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1158 (or 1147 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 41.
The spelling of 30503672870 in words is "thirty billion, five hundred three million, six hundred seventy-two thousand, eight hundred seventy".
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