Base | Representation |
---|---|
bin | 101111101111101001… |
… | …0011110110000100011 |
3 | 100210122112001120100012 |
4 | 1133133102132300203 |
5 | 3134440241132210 |
6 | 115033554315135 |
7 | 10256541055445 |
oct | 1373722366043 |
9 | 323575046305 |
10 | 102530411555 |
11 | 3a534820820 |
12 | 17a55288aab |
13 | 988cb292a0 |
14 | 4d6914a495 |
15 | 2a01471305 |
hex | 17df49ec23 |
102530411555 has 32 divisors (see below), whose sum is σ = 144579859200. Its totient is φ = 68815658880.
The previous prime is 102530411549. The next prime is 102530411587. The reversal of 102530411555 is 555114035201.
It is not a de Polignac number, because 102530411555 - 24 = 102530411539 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3631724 + ... + 3659846.
It is an arithmetic number, because the mean of its divisors is an integer number (4518120600).
Almost surely, 2102530411555 is an apocalyptic number.
102530411555 is a deficient number, since it is larger than the sum of its proper divisors (42049447645).
102530411555 is a wasteful number, since it uses less digits than its factorization.
102530411555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33251.
The product of its (nonzero) digits is 15000, while the sum is 32.
Adding to 102530411555 its reverse (555114035201), we get a palindrome (657644446756).
The spelling of 102530411555 in words is "one hundred two billion, five hundred thirty million, four hundred eleven thousand, five hundred fifty-five".
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