Base | Representation |
---|---|
bin | 111100110100010101… |
… | …0111011111011011101 |
3 | 110111010002112202102222 |
4 | 1321220222323323131 |
5 | 4114434401323421 |
6 | 135555452355125 |
7 | 12302342034320 |
oct | 1715052737335 |
9 | 414102482388 |
10 | 130605104861 |
11 | 504311a43a0 |
12 | 2138b475aa5 |
13 | c415369b4a |
14 | 646d9c07b7 |
15 | 35e603dcab |
hex | 1e68abbedd |
130605104861 has 16 divisors (see below), whose sum is σ = 163242533760. Its totient is φ = 101513839680.
The previous prime is 130605104857. The next prime is 130605104867. The reversal of 130605104861 is 168401506031.
It is not a de Polignac number, because 130605104861 - 22 = 130605104857 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130605104867) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105666 + ... + 2166803.
It is an arithmetic number, because the mean of its divisors is an integer number (10202658360).
Almost surely, 2130605104861 is an apocalyptic number.
130605104861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
130605104861 is a deficient number, since it is larger than the sum of its proper divisors (32637428899).
130605104861 is a wasteful number, since it uses less digits than its factorization.
130605104861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4272884.
The product of its (nonzero) digits is 17280, while the sum is 35.
The spelling of 130605104861 in words is "one hundred thirty billion, six hundred five million, one hundred four thousand, eight hundred sixty-one".
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