Base | Representation |
---|---|
bin | 11100011001100011… |
… | …011001111101011000 |
3 | 2220201010212102120100 |
4 | 130121203121331120 |
5 | 444422312422330 |
6 | 22001501055400 |
7 | 2126441220222 |
oct | 343143317530 |
9 | 86633772510 |
10 | 30493482840 |
11 | 11a28859a97 |
12 | 5ab0257560 |
13 | 2b4c6a7992 |
14 | 1693bc5412 |
15 | bd7106060 |
hex | 7198d9f58 |
30493482840 has 48 divisors (see below), whose sum is σ = 99103820400. Its totient is φ = 8131595328.
The previous prime is 30493482827. The next prime is 30493482871. The reversal of 30493482840 is 4828439403.
30493482840 is a `hidden beast` number, since 3 + 0 + 4 + 93 + 482 + 84 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42351700 + ... + 42352419.
It is an arithmetic number, because the mean of its divisors is an integer number (2064662925).
Almost surely, 230493482840 is an apocalyptic number.
30493482840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30493482840 is an abundant number, since it is smaller than the sum of its proper divisors (68610337560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30493482840 is a wasteful number, since it uses less digits than its factorization.
30493482840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84704136 (or 84704129 counting only the distinct ones).
The product of its (nonzero) digits is 663552, while the sum is 45.
The spelling of 30493482840 in words is "thirty billion, four hundred ninety-three million, four hundred eighty-two thousand, eight hundred forty".
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