Search a number
-
+
131221314430298 = 2199563585615977
BaseRepresentation
bin11101110101100001010111…
…110101010110010101011010
3122012121122011000120122101122
4131311201113311112111122
5114144412222443232143
61143030123432445242
736432266333112641
oct3565412765262532
9565548130518348
10131221314430298
11388a1713077274
12128736a0849822
13582b169965a11
1424592073a8358
15102857a5e0c68
hex775857d5655a

131221314430298 has 16 divisors (see below), whose sum is σ = 198172446955200. Its totient is φ = 65165003345376.

The previous prime is 131221314430207. The next prime is 131221314430307. The reversal of 131221314430298 is 892034413122131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292583915 + ... + 293032062.

It is an arithmetic number, because the mean of its divisors is an integer number (12385777934700).

Almost surely, 2131221314430298 is an apocalyptic number.

131221314430298 is a deficient number, since it is larger than the sum of its proper divisors (66951132524902).

131221314430298 is a wasteful number, since it uses less digits than its factorization.

131221314430298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585616741.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 131221314430298 in words is "one hundred thirty-one trillion, two hundred twenty-one billion, three hundred fourteen million, four hundred thirty thousand, two hundred ninety-eight".

Divisors: 1 2 199 398 563 1126 112037 224074 585615977 1171231954 116537579423 233075158846 329701795051 659403590102 65610657215149 131221314430298