Base | Representation |
---|---|
bin | 1000011100011000010… |
… | …1000100000101011110 |
3 | 111212102021121001112012 |
4 | 2013012011010011132 |
5 | 4334034111340430 |
6 | 150345513511222 |
7 | 13323436214633 |
oct | 2070605040536 |
9 | 455367531465 |
10 | 145057136990 |
11 | 56577a76aa7 |
12 | 24143412512 |
13 | 108a950764c |
14 | 704112418a |
15 | 3b8ebb2695 |
hex | 21c614415e |
145057136990 has 8 divisors (see below), whose sum is σ = 261102846600. Its totient is φ = 58022854792.
The previous prime is 145057136951. The next prime is 145057137011. The reversal of 145057136990 is 99631750541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252856840 + ... + 7252856859.
It is an arithmetic number, because the mean of its divisors is an integer number (32637855825).
Almost surely, 2145057136990 is an apocalyptic number.
145057136990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145057136990 is a deficient number, since it is larger than the sum of its proper divisors (116045709610).
145057136990 is a wasteful number, since it uses less digits than its factorization.
145057136990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14505713706.
The product of its (nonzero) digits is 1020600, while the sum is 50.
The spelling of 145057136990 in words is "one hundred forty-five billion, fifty-seven million, one hundred thirty-six thousand, nine hundred ninety".
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