Base | Representation |
---|---|
bin | 110000100110000… |
… | …0011100000100111 |
3 | 11012122011112011210 |
4 | 1201030003200213 |
5 | 11314410100210 |
6 | 425444202503 |
7 | 55256306151 |
oct | 14114034047 |
9 | 4178145153 |
10 | 1630550055 |
11 | 767448432 |
12 | 396099433 |
13 | 1cca71224 |
14 | 1167a7ad1 |
15 | 98235e20 |
hex | 61303827 |
1630550055 has 16 divisors (see below), whose sum is σ = 2609407584. Its totient is φ = 869450880.
The previous prime is 1630550021. The next prime is 1630550071. The reversal of 1630550055 is 5500550361.
It is not a de Polignac number, because 1630550055 - 216 = 1630484519 is a prime.
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, 105525 + ... + 119985.
It is an arithmetic number, because the mean of its divisors is an integer number (163087974).
Almost surely, 21630550055 is an apocalyptic number.
1630550055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1630550055 is a deficient number, since it is larger than the sum of its proper divisors (978857529).
1630550055 is a wasteful number, since it uses less digits than its factorization.
1630550055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21986.
The product of its (nonzero) digits is 11250, while the sum is 30.
The square root of 1630550055 is about 40380.0700222275. The cubic root of 1630550055 is about 1177.0042882557.
The spelling of 1630550055 in words is "one billion, six hundred thirty million, five hundred fifty thousand, fifty-five".
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