Base | Representation |
---|---|
bin | 11101110000011011100101… |
… | …110011000001110001011111 |
3 | 122011101012020110200220200010 |
4 | 131300123211303001301133 |
5 | 114123144322232240231 |
6 | 1142201312521334303 |
7 | 36365103663645000 |
oct | 3560334563016137 |
9 | 564335213626603 |
10 | 130871508868191 |
11 | 38777327a40aa3 |
12 | 12817937637393 |
13 | 5804190454b00 |
14 | 24463016ab1a7 |
15 | 101e405698546 |
hex | 7706e5cc1c5f |
130871508868191 has 96 divisors (see below), whose sum is σ = 220474638105600. Its totient is φ = 68992245818496.
The previous prime is 130871508868099. The next prime is 130871508868201. The reversal of 130871508868191 is 191868805178031.
It is not a de Polignac number, because 130871508868191 - 211 = 130871508866143 is a prime.
It is a super-2 number, since 2×1308715088681912 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130871508868091) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309854445 + ... + 310276521.
It is an arithmetic number, because the mean of its divisors is an integer number (2296610813600).
Almost surely, 2130871508868191 is an apocalyptic number.
130871508868191 is a deficient number, since it is larger than the sum of its proper divisors (89603129237409).
130871508868191 is a wasteful number, since it uses less digits than its factorization.
130871508868191 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 423910 (or 423883 counting only the distinct ones).
The product of its (nonzero) digits is 23224320, while the sum is 66.
The spelling of 130871508868191 in words is "one hundred thirty trillion, eight hundred seventy-one billion, five hundred eight million, eight hundred sixty-eight thousand, one hundred ninety-one".
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