Base | Representation |
---|---|
bin | 111101001100111010… |
… | …1101011101101110010 |
3 | 110120020120202001112212 |
4 | 1322121311223231302 |
5 | 4123132040134433 |
6 | 140213401052122 |
7 | 12331646420642 |
oct | 1723165535562 |
9 | 416216661485 |
10 | 131430005618 |
11 | 508148a255a |
12 | 2157b787042 |
13 | c51722a9c2 |
14 | 650b38c522 |
15 | 3643683d48 |
hex | 1e99d6bb72 |
131430005618 has 32 divisors (see below), whose sum is σ = 204216090624. Its totient is φ = 63389293632.
The previous prime is 131430005593. The next prime is 131430005627. The reversal of 131430005618 is 816500034131.
131430005618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15380255 + ... + 15388797.
It is an arithmetic number, because the mean of its divisors is an integer number (6381752832).
Almost surely, 2131430005618 is an apocalyptic number.
131430005618 is a deficient number, since it is larger than the sum of its proper divisors (72786085006).
131430005618 is a wasteful number, since it uses less digits than its factorization.
131430005618 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10346.
The product of its (nonzero) digits is 8640, while the sum is 32.
Adding to 131430005618 its reverse (816500034131), we get a palindrome (947930039749).
The spelling of 131430005618 in words is "one hundred thirty-one billion, four hundred thirty million, five thousand, six hundred eighteen".
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