Base | Representation |
---|---|
bin | 11100101101010011… |
… | …110100000000011111 |
3 | 2221120020120011200211 |
4 | 130231103310000133 |
5 | 1001112141031201 |
6 | 22054421233251 |
7 | 2140604443300 |
oct | 345523640037 |
9 | 87506504624 |
10 | 30824939551 |
11 | 1208896935a |
12 | 5b83262827 |
13 | 2ba326a803 |
14 | 16c5c267a7 |
15 | c0627a651 |
hex | 72d4f401f |
30824939551 has 12 divisors (see below), whose sum is σ = 35863161048. Its totient is φ = 26417266512.
The previous prime is 30824939539. The next prime is 30824939557. The reversal of 30824939551 is 15593942803.
It is not a de Polignac number, because 30824939551 - 221 = 30822842399 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30824939495 and 30824939504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30824939557) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293460 + ... + 384406.
It is an arithmetic number, because the mean of its divisors is an integer number (2988596754).
Almost surely, 230824939551 is an apocalyptic number.
30824939551 is a deficient number, since it is larger than the sum of its proper divisors (5038221497).
30824939551 is an equidigital number, since it uses as much as digits as its factorization.
30824939551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97878 (or 97871 counting only the distinct ones).
The product of its (nonzero) digits is 1166400, while the sum is 49.
The spelling of 30824939551 in words is "thirty billion, eight hundred twenty-four million, nine hundred thirty-nine thousand, five hundred fifty-one".
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