Base | Representation |
---|---|
bin | 1000011101000001101… |
… | …1000110000100110001 |
3 | 111212212101011011220110 |
4 | 2013100123012010301 |
5 | 4334413023400330 |
6 | 150415033331533 |
7 | 13330644310146 |
oct | 2072033060461 |
9 | 455771134813 |
10 | 145230684465 |
11 | 56656a31869 |
12 | 24191566ba9 |
13 | 1090645c569 |
14 | 705a1bc3cd |
15 | 3ba0043db0 |
hex | 21d06c6131 |
145230684465 has 48 divisors (see below), whose sum is σ = 245579603328. Its totient is φ = 73278922752.
The previous prime is 145230684383. The next prime is 145230684479. The reversal of 145230684465 is 564486032541.
It is not a de Polignac number, because 145230684465 - 214 = 145230668081 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4005297 + ... + 4041393.
It is an arithmetic number, because the mean of its divisors is an integer number (5116241736).
Almost surely, 2145230684465 is an apocalyptic number.
145230684465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
145230684465 is a deficient number, since it is larger than the sum of its proper divisors (100348918863).
145230684465 is a wasteful number, since it uses less digits than its factorization.
145230684465 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36886 (or 36867 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 48.
The spelling of 145230684465 in words is "one hundred forty-five billion, two hundred thirty million, six hundred eighty-four thousand, four hundred sixty-five".
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