Base | Representation |
---|---|
bin | 10010100011100… |
… | …00100000000111 |
3 | 101211212211201212 |
4 | 21101300200013 |
5 | 304321300210 |
6 | 23240042035 |
7 | 3600001151 |
oct | 1121604007 |
9 | 354784655 |
10 | 155650055 |
11 | 7a951210 |
12 | 4416331b |
13 | 26329832 |
14 | 16959ad1 |
15 | d9e8805 |
hex | 9470807 |
155650055 has 16 divisors (see below), whose sum is σ = 204362784. Its totient is φ = 112865280.
The previous prime is 155650043. The next prime is 155650073. The reversal of 155650055 is 550056551.
It is not a de Polignac number, because 155650055 - 28 = 155649799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15407 + ... + 23423.
It is an arithmetic number, because the mean of its divisors is an integer number (12772674).
Almost surely, 2155650055 is an apocalyptic number.
155650055 is a deficient number, since it is larger than the sum of its proper divisors (48712729).
155650055 is a wasteful number, since it uses less digits than its factorization.
155650055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8386.
The product of its (nonzero) digits is 18750, while the sum is 32.
The square root of 155650055 is about 12475.9791198928. The cubic root of 155650055 is about 537.9184324224.
The spelling of 155650055 in words is "one hundred fifty-five million, six hundred fifty thousand, fifty-five".
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