Base | Representation |
---|---|
bin | 100100101100101… |
… | …1101010101111011 |
3 | 10011211010010201100 |
4 | 1021121131111323 |
5 | 10010220114210 |
6 | 322105222443 |
7 | 42341550144 |
oct | 11131352573 |
9 | 3154103640 |
10 | 1231410555 |
11 | 58210aa81 |
12 | 2a4491a23 |
13 | 1681714cb |
14 | b9788acb |
15 | 731925c0 |
hex | 4965d57b |
1231410555 has 48 divisors (see below), whose sum is σ = 2271750624. Its totient is φ = 614906880.
The previous prime is 1231410457. The next prime is 1231410619. The reversal of 1231410555 is 5550141321.
It is not a de Polignac number, because 1231410555 - 213 = 1231402363 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146620 + ... + 154790.
It is an arithmetic number, because the mean of its divisors is an integer number (47328138).
Almost surely, 21231410555 is an apocalyptic number.
1231410555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1231410555 is a deficient number, since it is larger than the sum of its proper divisors (1040340069).
1231410555 is a wasteful number, since it uses less digits than its factorization.
1231410555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8396 (or 8393 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 1231410555 is about 35091.4598584898. The cubic root of 1231410555 is about 1071.8506868945.
Adding to 1231410555 its reverse (5550141321), we get a palindrome (6781551876).
The spelling of 1231410555 in words is "one billion, two hundred thirty-one million, four hundred ten thousand, five hundred fifty-five".
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