Base | Representation |
---|---|
bin | 1001000010110101010… |
… | …0000011011000011001 |
3 | 112212001122002202220200 |
4 | 2100231110003120121 |
5 | 10021204014212410 |
6 | 155214040212413 |
7 | 14140303111512 |
oct | 2205524033031 |
9 | 485048082820 |
10 | 155379054105 |
11 | 5a994475110 |
12 | 2614416a109 |
13 | 11862ac7802 |
14 | 773dd23a09 |
15 | 4095e5d3c0 |
hex | 242d503619 |
155379054105 has 24 divisors (see below), whose sum is σ = 293807666880. Its totient is φ = 75335298720.
The previous prime is 155379054079. The next prime is 155379054109. The reversal of 155379054105 is 501450973551.
155379054105 is a `hidden beast` number, since 1 + 5 + 537 + 9 + 0 + 5 + 4 + 105 = 666.
It is not a de Polignac number, because 155379054105 - 28 = 155379053849 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (155379054109) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156948045 + ... + 156949034.
It is an arithmetic number, because the mean of its divisors is an integer number (12241986120).
Almost surely, 2155379054105 is an apocalyptic number.
155379054105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
155379054105 is a deficient number, since it is larger than the sum of its proper divisors (138428612775).
155379054105 is a wasteful number, since it uses less digits than its factorization.
155379054105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 313897101 (or 313897098 counting only the distinct ones).
The product of its (nonzero) digits is 472500, while the sum is 45.
The spelling of 155379054105 in words is "one hundred fifty-five billion, three hundred seventy-nine million, fifty-four thousand, one hundred five".
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