Base | Representation |
---|---|
bin | 11100000100100111… |
… | …110111000001110110 |
3 | 2212210200002221222201 |
4 | 130010213313001312 |
5 | 443212414011300 |
6 | 21502554415114 |
7 | 2114645366026 |
oct | 340447670166 |
9 | 85720087881 |
10 | 30142328950 |
11 | 11868616968 |
12 | 5a1273149a |
13 | 2ac4a09506 |
14 | 165d2d7a86 |
15 | bb639066a |
hex | 7049f7076 |
30142328950 has 48 divisors (see below), whose sum is σ = 56288178576. Its totient is φ = 12008995200.
The previous prime is 30142328933. The next prime is 30142328959. The reversal of 30142328950 is 5982324103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30142328959) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17392284 + ... + 17394016.
It is an arithmetic number, because the mean of its divisors is an integer number (1172670387).
Almost surely, 230142328950 is an apocalyptic number.
30142328950 is a deficient number, since it is larger than the sum of its proper divisors (26145849626).
30142328950 is a wasteful number, since it uses less digits than its factorization.
30142328950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The spelling of 30142328950 in words is "thirty billion, one hundred forty-two million, three hundred twenty-eight thousand, nine hundred fifty".
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