Base | Representation |
---|---|
bin | 11101110101101010011001… |
… | …110010110101000001101110 |
3 | 122012122120011210101102222202 |
4 | 131311222121302311001232 |
5 | 114200042102304003210 |
6 | 1143034405535541502 |
7 | 36433061534441465 |
oct | 3565523162650156 |
9 | 565576153342882 |
10 | 131231011000430 |
11 | 388a58395849a0 |
12 | 1287554808a892 |
13 | 582c053824193 |
14 | 24598871039dc |
15 | 1028946a139a5 |
hex | 775a99cb506e |
131231011000430 has 16 divisors (see below), whose sum is σ = 257689985237424. Its totient is φ = 47720367636480.
The previous prime is 131231011000339. The next prime is 131231011000471. The reversal of 131231011000430 is 34000110132131.
It is a congruent number.
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, 596504595347 + ... + 596504595566.
It is an arithmetic number, because the mean of its divisors is an integer number (16105624077339).
Almost surely, 2131231011000430 is an apocalyptic number.
131231011000430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131231011000430 is a deficient number, since it is larger than the sum of its proper divisors (126458974236994).
131231011000430 is a wasteful number, since it uses less digits than its factorization.
131231011000430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1193009190931.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 131231011000430 its reverse (34000110132131), we get a palindrome (165231121132561).
The spelling of 131231011000430 in words is "one hundred thirty-one trillion, two hundred thirty-one billion, eleven million, four hundred thirty", and thus it is an aban number.
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