Base | Representation |
---|---|
bin | 1000011100101000010… |
… | …1110111100101111110 |
3 | 111212120222021020222121 |
4 | 2013022011313211332 |
5 | 4334203330104310 |
6 | 150400320433154 |
7 | 13325214346453 |
oct | 2071205674576 |
9 | 455528236877 |
10 | 145124456830 |
11 | 56601a77431 |
12 | 24161a787ba |
13 | 108ba448282 |
14 | 704a04982a |
15 | 3b95a5e0da |
hex | 21ca17797e |
145124456830 has 8 divisors (see below), whose sum is σ = 261224022312. Its totient is φ = 58049782728.
The previous prime is 145124456819. The next prime is 145124456843. The reversal of 145124456830 is 38654421541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1451244568302 (a number of 23 digits) contains 22 as substring.
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, 7256222832 + ... + 7256222851.
It is an arithmetic number, because the mean of its divisors is an integer number (32653002789).
Almost surely, 2145124456830 is an apocalyptic number.
145124456830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
145124456830 is a deficient number, since it is larger than the sum of its proper divisors (116099565482).
145124456830 is a wasteful number, since it uses less digits than its factorization.
145124456830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14512445690.
The product of its (nonzero) digits is 460800, while the sum is 43.
The spelling of 145124456830 in words is "one hundred forty-five billion, one hundred twenty-four million, four hundred fifty-six thousand, eight hundred thirty".
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