Base | Representation |
---|---|
bin | 111100111011010010… |
… | …1010011010010001111 |
3 | 110111201100201220022010 |
4 | 1321312211103102033 |
5 | 4120424124234222 |
6 | 140034551152303 |
7 | 12311204655045 |
oct | 1716645232217 |
9 | 414640656263 |
10 | 130838508687 |
11 | 50540a22117 |
12 | 21435675693 |
13 | c45181b513 |
14 | 64929ba395 |
15 | 360b79580c |
hex | 1e7695348f |
130838508687 has 16 divisors (see below), whose sum is σ = 177418328832. Its totient is φ = 85749263040.
The previous prime is 130838508641. The next prime is 130838508733. The reversal of 130838508687 is 786805838031.
It is an interprime number because it is at equal distance from previous prime (130838508641) and next prime (130838508733).
It is not a de Polignac number, because 130838508687 - 28 = 130838508431 is a prime.
It is a super-3 number, since 3×1308385086873 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130838508887) 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, 811198 + ... + 959019.
It is an arithmetic number, because the mean of its divisors is an integer number (11088645552).
Almost surely, 2130838508687 is an apocalyptic number.
130838508687 is a deficient number, since it is larger than the sum of its proper divisors (46579820145).
130838508687 is a wasteful number, since it uses less digits than its factorization.
130838508687 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1770638.
The product of its (nonzero) digits is 7741440, while the sum is 57.
The spelling of 130838508687 in words is "one hundred thirty billion, eight hundred thirty-eight million, five hundred eight thousand, six hundred eighty-seven".
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