Base | Representation |
---|---|
bin | 11100000101100001… |
… | …100001101001110110 |
3 | 2212211201112222100012 |
4 | 130011201201221312 |
5 | 443230301231000 |
6 | 21504254420222 |
7 | 2115221026235 |
oct | 340541415166 |
9 | 85751488305 |
10 | 30157445750 |
11 | 11876101393 |
12 | 5a17801672 |
13 | 2ac7ba0073 |
14 | 1661310b1c |
15 | bb7879735 |
hex | 705861a76 |
30157445750 has 32 divisors (see below), whose sum is σ = 56469070944. Its totient is φ = 12059916000.
The previous prime is 30157445743. The next prime is 30157445789. The reversal of 30157445750 is 5754475103.
It is a junction number, because it is equal to n+sod(n) for n = 30157445698 and 30157445707.
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, 1147760 + ... + 1173740.
It is an arithmetic number, because the mean of its divisors is an integer number (1764658467).
Almost surely, 230157445750 is an apocalyptic number.
30157445750 is a deficient number, since it is larger than the sum of its proper divisors (26311625194).
30157445750 is a wasteful number, since it uses less digits than its factorization.
30157445750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30641 (or 30631 counting only the distinct ones).
The product of its (nonzero) digits is 294000, while the sum is 41.
The spelling of 30157445750 in words is "thirty billion, one hundred fifty-seven million, four hundred forty-five thousand, seven hundred fifty".
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