Base | Representation |
---|---|
bin | 11100011010110110… |
… | …101011111101100010 |
3 | 2220202122221121000110 |
4 | 130122312223331202 |
5 | 444443410031110 |
6 | 22004001032150 |
7 | 2130124615401 |
oct | 343266537542 |
9 | 86678847013 |
10 | 30515314530 |
11 | 11a3a110508 |
12 | 5ab7625656 |
13 | 2b5407ca3c |
14 | 1696a69638 |
15 | bd8eb9a20 |
hex | 71adabf62 |
30515314530 has 16 divisors (see below), whose sum is σ = 73236754944. Its totient is φ = 8137417200.
The previous prime is 30515314523. The next prime is 30515314537. The reversal of 30515314530 is 3541351503.
It is an interprime number because it is at equal distance from previous prime (30515314523) and next prime (30515314537).
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1017177151 = 30515314530 / (3 + 0 + 5 + 1 + 5 + 3 + 1 + 4 + 5 + 3 + 0).
It is not an unprimeable number, because it can be changed into a prime (30515314537) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508588546 + ... + 508588605.
It is an arithmetic number, because the mean of its divisors is an integer number (4577297184).
Almost surely, 230515314530 is an apocalyptic number.
30515314530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30515314530 is an abundant number, since it is smaller than the sum of its proper divisors (42721440414).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30515314530 is a wasteful number, since it uses less digits than its factorization.
30515314530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1017177161.
The product of its (nonzero) digits is 13500, while the sum is 30.
The spelling of 30515314530 in words is "thirty billion, five hundred fifteen million, three hundred fourteen thousand, five hundred thirty".
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